402278152958 has 16 divisors (see below), whose sum is σ = 658328462064. Its totient is φ = 182838394560.

The previous prime is 402278152921. The next prime is 402278152967. The reversal of 402278152958 is 859251872204.

It is a congruent number.

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, 494735 + ... + 1024362.

It is an arithmetic number, because the mean of its divisors is an integer number (41145528879).

Almost surely, 2^402278152958 is an apocalyptic number.

402278152958 is a deficient number, since it is larger than the sum of its proper divisors (256050309106).

402278152958 is a wasteful number, since it uses less digits than its factorization.

402278152958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531147.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 402278152958 in words is "four hundred two billion, two hundred seventy-eight million, one hundred fifty-two thousand, nine hundred fifty-eight".