57628991038 has 16 divisors (see below), whose sum is σ = 91680623136. Its totient is φ = 27109859040.

The previous prime is 57628990967. The next prime is 57628991051. The reversal of 57628991038 is 83019982675.

It is a super-2 number, since 2×57628991038² (a number of 22 digits) contains 22 as substring.

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, 10266081 + ... + 10271692.

It is an arithmetic number, because the mean of its divisors is an integer number (5730038946).

Almost surely, 2^57628991038 is an apocalyptic number.

57628991038 is a deficient number, since it is larger than the sum of its proper divisors (34051632098).

57628991038 is a wasteful number, since it uses less digits than its factorization.

57628991038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20537859.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 57628991038 in words is "fifty-seven billion, six hundred twenty-eight million, nine hundred ninety-one thousand, thirty-eight".