394046721462 has 32 divisors (see below), whose sum is σ = 798958961280. Its totient is φ = 129538301760.

The previous prime is 394046721403. The next prime is 394046721479. The reversal of 394046721462 is 264127640493.

It is a super-2 number, since 2×394046721462² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6069489 + ... + 6134067.

It is an arithmetic number, because the mean of its divisors is an integer number (24967467540).

Almost surely, 2^394046721462 is an apocalyptic number.

394046721462 is an abundant number, since it is smaller than the sum of its proper divisors (404912239818).

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

394046721462 is a wasteful number, since it uses less digits than its factorization.

394046721462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78588.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 394046721462 in words is "three hundred ninety-four billion, forty-six million, seven hundred twenty-one thousand, four hundred sixty-two".