40135702160 has 20 divisors (see below), whose sum is σ = 93315507708. Its totient is φ = 16054280832.

The previous prime is 40135702157. The next prime is 40135702171. The reversal of 40135702160 is 6120753104.

It can be written as a sum of positive squares in 2 ways, for example, as 30553641616 + 9582060544 = 174796^2 + 97888^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×40135702160² (a number of 22 digits) contains 22 as substring.

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, 250848059 + ... + 250848218.

Almost surely, 2^40135702160 is an apocalyptic number.

40135702160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40135702160 is an abundant number, since it is smaller than the sum of its proper divisors (53179805548).

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

40135702160 is a wasteful number, since it uses less digits than its factorization.

40135702160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501696290 (or 501696284 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 40135702160 in words is "forty billion, one hundred thirty-five million, seven hundred two thousand, one hundred sixty".