373991040 has 256 divisors, whose sum is σ = 1383609600. Its totient is φ = 95293440.

The previous prime is 373991027. The next prime is 373991087. The reversal of 373991040 is 40199373.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 373990986 and 373991004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396970 + ... + 397910.

It is an arithmetic number, because the mean of its divisors is an integer number (5404725).

Almost surely, 2^373991040 is an apocalyptic number.

373991040 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 373991040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691804800).

373991040 is an abundant number, since it is smaller than the sum of its proper divisors (1009618560).

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

373991040 is a wasteful number, since it uses less digits than its factorization.

373991040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 373991040 is about 19338.8479491411. The cubic root of 373991040 is about 720.4774610841.

The spelling of 373991040 in words is "three hundred seventy-three million, nine hundred ninety-one thousand, forty".