1258404396 has 24 divisors (see below), whose sum is σ = 3108999600. Its totient is φ = 394793472.

The previous prime is 1258404361. The next prime is 1258404397. The reversal of 1258404396 is 6934048521.

It is not an unprimeable number, because it can be changed into a prime (1258404397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3084121 + ... + 3084528.

It is an arithmetic number, because the mean of its divisors is an integer number (129541650).

Almost surely, 2^1258404396 is an apocalyptic number.

It is an amenable number.

1258404396 is an abundant number, since it is smaller than the sum of its proper divisors (1850595204).

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

1258404396 is a wasteful number, since it uses less digits than its factorization.

1258404396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168673 (or 6168671 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 1258404396 is about 35473.9960534474. The cubic root of 1258404396 is about 1079.6261840706.

The spelling of 1258404396 in words is "one billion, two hundred fifty-eight million, four hundred four thousand, three hundred ninety-six".