40257024 has 40 divisors (see below), whose sum is σ = 107251320. Its totient is φ = 13418496.

The previous prime is 40257023. The next prime is 40257031. The reversal of 40257024 is 42075204.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 40256985 and 40257003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40257023) 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, 11569 + ... + 14640.

It is an arithmetic number, because the mean of its divisors is an integer number (2681283).

Almost surely, 2^40257024 is an apocalyptic number.

It is an amenable number.

40257024 is an abundant number, since it is smaller than the sum of its proper divisors (66994296).

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

40257024 is an equidigital number, since it uses as much as digits as its factorization.

40257024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26230 (or 26214 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 40257024 is about 6344.8423148255. The cubic root of 40257024 is about 342.7261340737.

The spelling of 40257024 in words is "forty million, two hundred fifty-seven thousand, twenty-four".