37940620896 has 144 divisors (see below), whose sum is σ = 115011187200. Its totient is φ = 11829452544.

The previous prime is 37940620871. The next prime is 37940620931. The reversal of 37940620896 is 69802604973.

It is a happy number.

37940620896 is a `hidden beast` number, since 3 + 7 + 9 + 4 + 0 + 620 + 8 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 388405 + ... + 476171.

It is an arithmetic number, because the mean of its divisors is an integer number (798688800).

Almost surely, 2^37940620896 is an apocalyptic number.

37940620896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37940620896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57505593600).

37940620896 is an abundant number, since it is smaller than the sum of its proper divisors (77070566304).

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

37940620896 is a wasteful number, since it uses less digits than its factorization.

37940620896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87881 (or 87870 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 37940620896 in words is "thirty-seven billion, nine hundred forty million, six hundred twenty thousand, eight hundred ninety-six".