1958256408 has 16 divisors (see below), whose sum is σ = 4895641080. Its totient is φ = 652752128.

The previous prime is 1958256397. The next prime is 1958256427. The reversal of 1958256408 is 8046528591.

1958256408 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 40796985 + ... + 40797032.

Almost surely, 2^1958256408 is an apocalyptic number.

It is an amenable number.

1958256408 is an abundant number, since it is smaller than the sum of its proper divisors (2937384672).

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

1958256408 is a wasteful number, since it uses less digits than its factorization.

1958256408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81594026 (or 81594022 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The square root of 1958256408 is about 44252.1909966049. The cubic root of 1958256408 is about 1251.0937430751.

The spelling of 1958256408 in words is "one billion, nine hundred fifty-eight million, two hundred fifty-six thousand, four hundred eight".