379457905840 has 40 divisors (see below), whose sum is σ = 950104220688. Its totient is φ = 140107534080.

The previous prime is 379457905829. The next prime is 379457905859. The reversal of 379457905840 is 48509754973.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×379457905840² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182430646 + ... + 182432725.

Almost surely, 2^379457905840 is an apocalyptic number.

It is an amenable number.

379457905840 is an abundant number, since it is smaller than the sum of its proper divisors (570646314848).

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

379457905840 is a wasteful number, since it uses less digits than its factorization.

379457905840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364863397 (or 364863391 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 379457905840 in words is "three hundred seventy-nine billion, four hundred fifty-seven million, nine hundred five thousand, eight hundred forty".