373040640 has 400 divisors, whose sum is σ = 1532928672. Its totient is φ = 84934656.

The previous prime is 373040621. The next prime is 373040651. The reversal of 373040640 is 46040373.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1451392 + ... + 1451648.

Almost surely, 2^373040640 is an apocalyptic number.

373040640 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 373040640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766464336).

373040640 is an abundant number, since it is smaller than the sum of its proper divisors (1159888032).

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

373040640 is an equidigital number, since it uses as much as digits as its factorization.

373040640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 373040640 is about 19314.2600168891. The cubic root of 373040640 is about 719.8666419677.

It can be divided in two parts, 373040 and 640, that added together give a triangular number (373680 = T₈₆₄).

The spelling of 373040640 in words is "three hundred seventy-three million, forty thousand, six hundred forty".