4551694740 has 36 divisors (see below), whose sum is σ = 13806807924. Its totient is φ = 1213785216.

The previous prime is 4551694727. The next prime is 4551694769. The reversal of 4551694740 is 474961554.

4551694740 is a `hidden beast` number, since 4 + 5 + 516 + 94 + 7 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1368704016 + 3182990724 = 36996^2 + 56418^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4551694740² = 41435850012287335200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12643417 + ... + 12643776.

Almost surely, 2^4551694740 is an apocalyptic number.

It is an amenable number.

4551694740 is an abundant number, since it is smaller than the sum of its proper divisors (9255113184).

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

4551694740 is a wasteful number, since it uses less digits than its factorization.

4551694740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25287208 (or 25287203 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 4551694740 is about 67466.2488952810. The cubic root of 4551694740 is about 1657.2615055116.

The spelling of 4551694740 in words is "four billion, five hundred fifty-one million, six hundred ninety-four thousand, seven hundred forty".