40437792 has 60 divisors (see below), whose sum is σ = 118934046. Its totient is φ = 13478400.

The previous prime is 40437779. The next prime is 40437797. The reversal of 40437792 is 29773404.

It can be written as a sum of positive squares in only one way, i.e., 25040016 + 15397776 = 5004^2 + 3924^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40437797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5209 + ... + 10392.

Almost surely, 2^40437792 is an apocalyptic number.

It is an amenable number.

40437792 is an abundant number, since it is smaller than the sum of its proper divisors (78496254).

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

40437792 is a wasteful number, since it uses less digits than its factorization.

40437792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15623 (or 15606 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 40437792 is about 6359.0716303561. The cubic root of 40437792 is about 343.2383545575.

The spelling of 40437792 in words is "forty million, four hundred thirty-seven thousand, seven hundred ninety-two".