373144640 has 168 divisors, whose sum is σ = 1021567680. Its totient is φ = 129479680.

The previous prime is 373144637. The next prime is 373144699. The reversal of 373144640 is 46441373.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 373144597 and 373144606.

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, 890351 + ... + 890769.

It is an arithmetic number, because the mean of its divisors is an integer number (6080760).

Almost surely, 2^373144640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 373144640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510783840).

373144640 is an abundant number, since it is smaller than the sum of its proper divisors (648423040).

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

373144640 is a wasteful number, since it uses less digits than its factorization.

373144640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 373144640 is about 19316.9521405423. The cubic root of 373144640 is about 719.9335329589.

The spelling of 373144640 in words is "three hundred seventy-three million, one hundred forty-four thousand, six hundred forty".