40107504 has 40 divisors (see below), whose sum is σ = 104649552. Its totient is φ = 13235200.

The previous prime is 40107503. The next prime is 40107527. The reversal of 40107504 is 40570104.

It is a super-2 number, since 2×40107504² = 3217223754220032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40107503) 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, 712 + ... + 8984.

Almost surely, 2^40107504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40107504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52324776).

40107504 is an abundant number, since it is smaller than the sum of its proper divisors (64542048).

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

40107504 is a wasteful number, since it uses less digits than its factorization.

40107504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385 (or 8379 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40107504 is about 6333.0485550010. The cubic root of 40107504 is about 342.3012973572.

Adding to 40107504 its reverse (40570104), we get a palindrome (80677608).

The spelling of 40107504 in words is "forty million, one hundred seven thousand, five hundred four".