402015126615452 has 12 divisors (see below), whose sum is σ = 804030253230960. Its totient is φ = 172292197120896.

The previous prime is 402015126615449. The next prime is 402015126615457. The reversal of 402015126615452 is 254516621510204.

402015126615452 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402015126615457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7178841546677 + ... + 7178841546732.

It is an arithmetic number, because the mean of its divisors is an integer number (67002521102580).

Almost surely, 2^{402015126615452} is an apocalyptic number.

It is an amenable number.

402015126615452 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.

402015126615452 is a wasteful number, since it uses less digits than its factorization.

402015126615452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14357683093420 (or 14357683093418 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 402015126615452 in words is "four hundred two trillion, fifteen billion, one hundred twenty-six million, six hundred fifteen thousand, four hundred fifty-two".