120400004402 has 16 divisors (see below), whose sum is σ = 182304743040. Its totient is φ = 59631861168.

The previous prime is 120400004359. The next prime is 120400004411. The reversal of 120400004402 is 204400004021.

It is a super-2 number, since 2×120400004402² (a number of 23 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, 3249143 + ... + 3285989.

It is an arithmetic number, because the mean of its divisors is an integer number (11394046440).

Almost surely, 2^120400004402 is an apocalyptic number.

120400004402 is a deficient number, since it is larger than the sum of its proper divisors (61904738638).

120400004402 is a wasteful number, since it uses less digits than its factorization.

120400004402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52225.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 120400004402 its reverse (204400004021), we get a palindrome (324800008423).

The spelling of 120400004402 in words is "one hundred twenty billion, four hundred million, four thousand, four hundred two".