7554840894 has 16 divisors (see below), whose sum is σ = 16788535440. Its totient is φ = 2518280280.

The previous prime is 7554840869. The next prime is 7554840899. The reversal of 7554840894 is 4980484557.

It is a happy number.

7554840894 is a `hidden beast` number, since 7 + 5 + 548 + 4 + 0 + 8 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 139904461 = 7554840894 / (7 + 5 + 5 + 4 + 8 + 4 + 0 + 8 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 7554840894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7554840899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69952177 + ... + 69952284.

It is an arithmetic number, because the mean of its divisors is an integer number (1049283465).

Almost surely, 2^7554840894 is an apocalyptic number.

7554840894 is an abundant number, since it is smaller than the sum of its proper divisors (9233694546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7554840894 is a wasteful number, since it uses less digits than its factorization.

7554840894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139904472 (or 139904466 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The square root of 7554840894 is about 86918.5877358808. The cubic root of 7554840894 is about 1962.1932353703.

The spelling of 7554840894 in words is "seven billion, five hundred fifty-four million, eight hundred forty thousand, eight hundred ninety-four".