40125655 has 8 divisors (see below), whose sum is σ = 48364272. Its totient is φ = 31958208.

The previous prime is 40125653. The next prime is 40125671. The reversal of 40125655 is 55652104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40125655 - 2¹ = 40125653 is a prime.

It is a super-2 number, since 2×40125655² = 3220136378358050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125653) 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, 16542 + ... + 18811.

It is an arithmetic number, because the mean of its divisors is an integer number (6045534).

Almost surely, 2^40125655 is an apocalyptic number.

40125655 is a deficient number, since it is larger than the sum of its proper divisors (8238617).

40125655 is a wasteful number, since it uses less digits than its factorization.

40125655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35585.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 40125655 is about 6334.4814310250. The cubic root of 40125655 is about 342.3529267133.

Adding to 40125655 its reverse (55652104), we get a palindrome (95777759).

The spelling of 40125655 in words is "forty million, one hundred twenty-five thousand, six hundred fifty-five".