120400104394 has 32 divisors (see below), whose sum is σ = 192109062096. Its totient is φ = 56397020160.

The previous prime is 120400104359. The next prime is 120400104397. The reversal of 120400104394 is 493401004021.

It can be written as a sum of positive squares in 8 ways, for example, as 118138626369 + 2261478025 = 343713^2 + 47555^2 .

It is not an unprimeable number, because it can be changed into a prime (120400104397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8729784 + ... + 8743564.

Almost surely, 2^120400104394 is an apocalyptic number.

120400104394 is a deficient number, since it is larger than the sum of its proper divisors (71708957702).

120400104394 is a wasteful number, since it uses less digits than its factorization.

120400104394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14970.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 120400104394 in words is "one hundred twenty billion, four hundred million, one hundred four thousand, three hundred ninety-four".