35772427640 has 32 divisors (see below), whose sum is σ = 81807442560. Its totient is φ = 14074396800.

The previous prime is 35772427609. The next prime is 35772427651. The reversal of 35772427640 is 4672427753.

35772427640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7327976 + ... + 7332855.

It is an arithmetic number, because the mean of its divisors is an integer number (2556482580).

Almost surely, 2^35772427640 is an apocalyptic number.

It is an amenable number.

35772427640 is an abundant number, since it is smaller than the sum of its proper divisors (46035014920).

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

35772427640 is a wasteful number, since it uses less digits than its factorization.

35772427640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14660903 (or 14660899 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 35772427640 in words is "thirty-five billion, seven hundred seventy-two million, four hundred twenty-seven thousand, six hundred forty".