37379618640 has 640 divisors, whose sum is σ = 161739648000. Its totient is φ = 7884656640.

The previous prime is 37379618609. The next prime is 37379618693. The reversal of 37379618640 is 4681697373.

37379618640 is a `hidden beast` number, since 373 + 7 + 96 + 186 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9629500 + ... + 9633380.

It is an arithmetic number, because the mean of its divisors is an integer number (252718200).

Almost surely, 2^37379618640 is an apocalyptic number.

37379618640 is a gapful number since it is divisible by the number (30) 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 37379618640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80869824000).

37379618640 is an abundant number, since it is smaller than the sum of its proper divisors (124360029360).

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

37379618640 is a wasteful number, since it uses less digits than its factorization.

37379618640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937 (or 3911 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 37379618640 in words is "thirty-seven billion, three hundred seventy-nine million, six hundred eighteen thousand, six hundred forty".