815013404142 has 32 divisors (see below), whose sum is σ = 1874316556032. Its totient is φ = 231432375744.

The previous prime is 815013404141. The next prime is 815013404143. The reversal of 815013404142 is 241404310518.

It is an interprime number because it is at equal distance from previous prime (815013404141) and next prime (815013404143).

It is a super-2 number, since 2×815013404142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815013404141) 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, 59517943 + ... + 59531634.

It is an arithmetic number, because the mean of its divisors is an integer number (58572392376).

Almost surely, 2^815013404142 is an apocalyptic number.

815013404142 is an abundant number, since it is smaller than the sum of its proper divisors (1059303151890).

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

815013404142 is a wasteful number, since it uses less digits than its factorization.

815013404142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119049752.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 815013404142 in words is "eight hundred fifteen billion, thirteen million, four hundred four thousand, one hundred forty-two".