40791256 has 16 divisors (see below), whose sum is σ = 83436840. Its totient is φ = 18541440.

The previous prime is 40791251. The next prime is 40791287. The reversal of 40791256 is 65219704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40791251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231681 + ... + 231856.

Almost surely, 2^40791256 is an apocalyptic number.

It is an amenable number.

40791256 is an abundant number, since it is smaller than the sum of its proper divisors (42645584).

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

40791256 is a wasteful number, since it uses less digits than its factorization.

40791256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463554 (or 463550 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 40791256 is about 6386.8032692420. The cubic root of 40791256 is about 344.2355291649.

It can be divided in two parts, 4079 and 1256, that added together give a palindrome (5335).

The spelling of 40791256 in words is "forty million, seven hundred ninety-one thousand, two hundred fifty-six".