440115525431540 has 48 divisors (see below), whose sum is σ = 1056422018491392. Its totient is φ = 150876071940096.

The previous prime is 440115525431537. The next prime is 440115525431567. The reversal of 440115525431540 is 45134525511044.

It is a junction number, because it is equal to n+sod(n) for n = 440115525431491 and 440115525431500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214387652 + ... + 216430811.

It is an arithmetic number, because the mean of its divisors is an integer number (22008792051904).

Almost surely, 2^{440115525431540} is an apocalyptic number.

It is an amenable number.

440115525431540 is an abundant number, since it is smaller than the sum of its proper divisors (616306493059852).

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

440115525431540 is a wasteful number, since it uses less digits than its factorization.

440115525431540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430825776 (or 430825774 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 440115525431540 in words is "four hundred forty trillion, one hundred fifteen billion, five hundred twenty-five million, four hundred thirty-one thousand, five hundred forty".