40136616572 has 48 divisors (see below), whose sum is σ = 76415468640. Its totient is φ = 18336146688.

The previous prime is 40136616571. The next prime is 40136616613. The reversal of 40136616572 is 27561663104.

It is a super-2 number, since 2×40136616572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40136616571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2050343 + ... + 2069825.

It is an arithmetic number, because the mean of its divisors is an integer number (1591988930).

Almost surely, 2^40136616572 is an apocalyptic number.

It is an amenable number.

40136616572 is a deficient number, since it is larger than the sum of its proper divisors (36278852068).

40136616572 is a wasteful number, since it uses less digits than its factorization.

40136616572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19902 (or 19900 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 40136616572 in words is "forty billion, one hundred thirty-six million, six hundred sixteen thousand, five hundred seventy-two".