40425512 has 8 divisors (see below), whose sum is σ = 75797850. Its totient is φ = 20212752.

The previous prime is 40425433. The next prime is 40425527. The reversal of 40425512 is 21552404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38613796 + 1811716 = 6214^2 + 1346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526587 + ... + 2526602.

Almost surely, 2^40425512 is an apocalyptic number.

It is an amenable number.

40425512 is a deficient number, since it is larger than the sum of its proper divisors (35372338).

40425512 is a wasteful number, since it uses less digits than its factorization.

40425512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053195 (or 5053191 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40425512 is about 6358.1060072949. The cubic root of 40425512 is about 343.2036065860.

Adding to 40425512 its reverse (21552404), we get a palindrome (61977916).

The spelling of 40425512 in words is "forty million, four hundred twenty-five thousand, five hundred twelve".