37649428828 has 24 divisors (see below), whose sum is σ = 76104194544. Its totient is φ = 16106707200.

The previous prime is 37649428799. The next prime is 37649428829. The reversal of 37649428828 is 82882494673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37649428829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25165983 + ... + 25167478.

It is an arithmetic number, because the mean of its divisors is an integer number (3171008106).

Almost surely, 2^37649428828 is an apocalyptic number.

It is an amenable number.

37649428828 is an abundant number, since it is smaller than the sum of its proper divisors (38454765716).

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

37649428828 is a wasteful number, since it uses less digits than its factorization.

37649428828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50333493 (or 50333491 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 61.

The spelling of 37649428828 in words is "thirty-seven billion, six hundred forty-nine million, four hundred twenty-eight thousand, eight hundred twenty-eight".