521412036496 has 40 divisors (see below), whose sum is σ = 1106386061760. Its totient is φ = 236572861056.

The previous prime is 521412036491. The next prime is 521412036517. The reversal of 521412036496 is 694630214125.

It is not an unprimeable number, because it can be changed into a prime (521412036491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21231700 + ... + 21256243.

It is an arithmetic number, because the mean of its divisors is an integer number (27659651544).

Almost surely, 2^521412036496 is an apocalyptic number.

It is an amenable number.

521412036496 is an abundant number, since it is smaller than the sum of its proper divisors (584974025264).

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

521412036496 is a wasteful number, since it uses less digits than its factorization.

521412036496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42488023 (or 42488017 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 521412036496 in words is "five hundred twenty-one billion, four hundred twelve million, thirty-six thousand, four hundred ninety-six".