40040379525 has 12 divisors (see below), whose sum is σ = 66200094272. Its totient is φ = 21354869040.

The previous prime is 40040379521. The next prime is 40040379571. The reversal of 40040379525 is 52597304004.

It is not a de Polignac number, because 40040379525 - 2² = 40040379521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040379521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266935789 + ... + 266935938.

Almost surely, 2^40040379525 is an apocalyptic number.

It is an amenable number.

40040379525 is a deficient number, since it is larger than the sum of its proper divisors (26159714747).

40040379525 is a wasteful number, since it uses less digits than its factorization.

40040379525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533871740 (or 533871735 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 40040379525 in words is "forty billion, forty million, three hundred seventy-nine thousand, five hundred twenty-five".