40745892 has 24 divisors (see below), whose sum is σ = 103717152. Its totient is φ = 12347200.

The previous prime is 40745863. The next prime is 40745893. The reversal of 40745892 is 29854704.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 40745892.

It is not an unprimeable number, because it can be changed into a prime (40745893) 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, 154209 + ... + 154472.

It is an arithmetic number, because the mean of its divisors is an integer number (4321548).

Almost surely, 2^40745892 is an apocalyptic number.

It is an amenable number.

40745892 is an abundant number, since it is smaller than the sum of its proper divisors (62971260).

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

40745892 is a wasteful number, since it uses less digits than its factorization.

40745892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308699 (or 308697 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 40745892 is about 6383.2508958994. The cubic root of 40745892 is about 344.1078735962.

The spelling of 40745892 in words is "forty million, seven hundred forty-five thousand, eight hundred ninety-two".