2151350404 has 12 divisors (see below), whose sum is σ = 4302700864. Its totient is φ = 922007304.

The previous prime is 2151350389. The next prime is 2151350477. The reversal of 2151350404 is 4040531512.

It is a happy number.

2151350404 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38416944 + ... + 38416999.

Almost surely, 2^2151350404 is an apocalyptic number.

It is an amenable number.

2151350404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2151350404 is a wasteful number, since it uses less digits than its factorization.

2151350404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76833954 (or 76833952 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2151350404 is about 46382.6519724778. The cubic root of 2151350404 is about 1290.9330437032.

Adding to 2151350404 its reverse (4040531512), we get a palindrome (6191881916).

It can be divided in two parts, 21513 and 50404, that added together give a palindrome (71917).

The spelling of 2151350404 in words is "two billion, one hundred fifty-one million, three hundred fifty thousand, four hundred four".