815307410740 has 48 divisors (see below), whose sum is σ = 1716024018240. Its totient is φ = 325385026560.

The previous prime is 815307410711. The next prime is 815307410741. The reversal of 815307410740 is 47014703518.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 815307410693 and 815307410702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815307410741) 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, 16573380 + ... + 16622500.

It is an arithmetic number, because the mean of its divisors is an integer number (35750500380).

Almost surely, 2^815307410740 is an apocalyptic number.

It is an amenable number.

815307410740 is an abundant number, since it is smaller than the sum of its proper divisors (900716607500).

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

815307410740 is a wasteful number, since it uses less digits than its factorization.

815307410740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50992 (or 50990 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 815307410740 in words is "eight hundred fifteen billion, three hundred seven million, four hundred ten thousand, seven hundred forty".