394749735954 has 32 divisors (see below), whose sum is σ = 941514900480. Its totient is φ = 107881915152.

The previous prime is 394749735949. The next prime is 394749735997. The reversal of 394749735954 is 459537947493.

It is a Harshad number since it is a multiple of its sum of digits (69).

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, 204320844 + ... + 204322775.

It is an arithmetic number, because the mean of its divisors is an integer number (29422340640).

Almost surely, 2^394749735954 is an apocalyptic number.

394749735954 is an abundant number, since it is smaller than the sum of its proper divisors (546765164526).

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

394749735954 is a wasteful number, since it uses less digits than its factorization.

394749735954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408643654.

The product of its digits is 514382400, while the sum is 69.

The spelling of 394749735954 in words is "three hundred ninety-four billion, seven hundred forty-nine million, seven hundred thirty-five thousand, nine hundred fifty-four".