403972543485 has 64 divisors (see below), whose sum is σ = 863968051200. Its totient is φ = 174953514816.

The previous prime is 403972543477. The next prime is 403972543537. The reversal of 403972543485 is 584345279304.

403972543485 is a `hidden beast` number, since 4 + 0 + 3 + 97 + 2 + 543 + 4 + 8 + 5 = 666.

It is not a de Polignac number, because 403972543485 - 2³ = 403972543477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11231629 + ... + 11267538.

It is an arithmetic number, because the mean of its divisors is an integer number (13499500800).

Almost surely, 2^403972543485 is an apocalyptic number.

403972543485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

403972543485 is an abundant number, since it is smaller than the sum of its proper divisors (459995507715).

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

403972543485 is a wasteful number, since it uses less digits than its factorization.

403972543485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22499207 (or 22499201 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 403972543485 in words is "four hundred three billion, nine hundred seventy-two million, five hundred forty-three thousand, four hundred eighty-five".