37989666698940 has 288 divisors, whose sum is σ = 133560899559360. Its totient is φ = 8651717222400.

The previous prime is 37989666698939. The next prime is 37989666698941. The reversal of 37989666698940 is 4989666698973.

It is an interprime number because it is at equal distance from previous prime (37989666698939) and next prime (37989666698941).

It is a Harshad number since it is a multiple of its sum of digits (90).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37989666698941) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6816141 + ... + 11065220.

It is an arithmetic number, because the mean of its divisors is an integer number (463753123470).

Almost surely, 2^{37989666698940} is an apocalyptic number.

37989666698940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

37989666698940 is an abundant number, since it is smaller than the sum of its proper divisors (95571232860420).

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

37989666698940 is a wasteful number, since it uses less digits than its factorization.

37989666698940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17881453 (or 17881448 counting only the distinct ones).

The product of its (nonzero) digits is 45712429056, while the sum is 90.

The spelling of 37989666698940 in words is "thirty-seven trillion, nine hundred eighty-nine billion, six hundred sixty-six million, six hundred ninety-eight thousand, nine hundred forty".