40125654 has 24 divisors (see below), whose sum is σ = 87272640. Its totient is φ = 13323888.

The previous prime is 40125653. The next prime is 40125671. The reversal of 40125654 is 45652104.

40125654 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 5 + 654 = 666.

It is a super-2 number, since 2×40125654² = 3220136217855432, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699 + ... + 8985.

It is an arithmetic number, because the mean of its divisors is an integer number (3636360).

Almost surely, 2^40125654 is an apocalyptic number.

40125654 is an abundant number, since it is smaller than the sum of its proper divisors (47146986).

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

40125654 is a wasteful number, since it uses less digits than its factorization.

40125654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564 (or 8561 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40125654 is about 6334.4813520919. The cubic root of 40125654 is about 342.3529238693.

Adding to 40125654 its reverse (45652104), we get a palindrome (85777758).

The spelling of 40125654 in words is "forty million, one hundred twenty-five thousand, six hundred fifty-four".