402154056259 has 8 divisors (see below), whose sum is σ = 433164712640. Its totient is φ = 372127865256.

The previous prime is 402154056247. The next prime is 402154056289. The reversal of 402154056259 is 952650451204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402154056259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402154056289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246115497 + ... + 246117130.

It is an arithmetic number, because the mean of its divisors is an integer number (54145589080).

Almost surely, 2^402154056259 is an apocalyptic number.

402154056259 is a deficient number, since it is larger than the sum of its proper divisors (31010656381).

402154056259 is a wasteful number, since it uses less digits than its factorization.

402154056259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492232689.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 402154056259 in words is "four hundred two billion, one hundred fifty-four million, fifty-six thousand, two hundred fifty-nine".