40137520516 has 6 divisors (see below), whose sum is σ = 70240660910. Its totient is φ = 20068760256.

The previous prime is 40137520483. The next prime is 40137520531. The reversal of 40137520516 is 61502573104.

It can be written as a sum of positive squares in only one way, i.e., 22846322500 + 17291198016 = 151150^2 + 131496^2 .

It is a super-2 number, since 2×40137520516² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5017190061 + ... + 5017190068.

Almost surely, 2^40137520516 is an apocalyptic number.

It is an amenable number.

40137520516 is a deficient number, since it is larger than the sum of its proper divisors (30103140394).

40137520516 is a wasteful number, since it uses less digits than its factorization.

40137520516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10034380133 (or 10034380131 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 40137520516 in words is "forty billion, one hundred thirty-seven million, five hundred twenty thousand, five hundred sixteen".