37820435457 has 128 divisors (see below), whose sum is σ = 63621365760. Its totient is φ = 19514880000.

The previous prime is 37820435453. The next prime is 37820435459. The reversal of 37820435457 is 75453402873.

It is not a de Polignac number, because 37820435457 - 2² = 37820435453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (37820435453) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 134592157 + ... + 134592437.

It is an arithmetic number, because the mean of its divisors is an integer number (497041920).

Almost surely, 2^37820435457 is an apocalyptic number.

It is an amenable number.

37820435457 is a deficient number, since it is larger than the sum of its proper divisors (25800930303).

37820435457 is a wasteful number, since it uses less digits than its factorization.

37820435457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 37820435457 in words is "thirty-seven billion, eight hundred twenty million, four hundred thirty-five thousand, four hundred fifty-seven".