40135850724072 has 64 divisors (see below), whose sum is σ = 105177328724160. Its totient is φ = 12748767091200.

The previous prime is 40135850724049. The next prime is 40135850724091. The reversal of 40135850724072 is 27042705853104.

It is a happy number.

It is a super-2 number, since 2×40135850724072² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474242179 + ... + 474326802.

It is an arithmetic number, because the mean of its divisors is an integer number (1643395761315).

Almost surely, 2^{40135850724072} is an apocalyptic number.

It is an amenable number.

40135850724072 is an abundant number, since it is smaller than the sum of its proper divisors (65041478000088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40135850724072 is a wasteful number, since it uses less digits than its factorization.

40135850724072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948569074 (or 948569070 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 40135850724072 in words is "forty trillion, one hundred thirty-five billion, eight hundred fifty million, seven hundred twenty-four thousand, seventy-two".