40051131524 has 12 divisors (see below), whose sum is σ = 71076656448. Its totient is φ = 19743515400.

The previous prime is 40051131503. The next prime is 40051131577. The reversal of 40051131524 is 42513115004.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40051131493 and 40051131502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70512272 + ... + 70512839.

It is an arithmetic number, because the mean of its divisors is an integer number (5923054704).

Almost surely, 2^40051131524 is an apocalyptic number.

It is an amenable number.

40051131524 is a deficient number, since it is larger than the sum of its proper divisors (31025524924).

40051131524 is a wasteful number, since it uses less digits than its factorization.

40051131524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141025186 (or 141025184 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 40051131524 its reverse (42513115004), we get a palindrome (82564246528).

The spelling of 40051131524 in words is "forty billion, fifty-one million, one hundred thirty-one thousand, five hundred twenty-four".