402043236126 has 32 divisors (see below), whose sum is σ = 919191310848. Its totient is φ = 114840078240.

The previous prime is 402043236121. The next prime is 402043236139. The reversal of 402043236126 is 621632340204.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402043236121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059525 + ... + 1388048.

It is an arithmetic number, because the mean of its divisors is an integer number (28724728464).

Almost surely, 2^402043236126 is an apocalyptic number.

402043236126 is an abundant number, since it is smaller than the sum of its proper divisors (517148074722).

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

402043236126 is a wasteful number, since it uses less digits than its factorization.

402043236126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451496.

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 402043236126 in words is "four hundred two billion, forty-three million, two hundred thirty-six thousand, one hundred twenty-six".