420765524490 has 16 divisors (see below), whose sum is σ = 1009837258848. Its totient is φ = 112204139856.

The previous prime is 420765524483. The next prime is 420765524573. The reversal of 420765524490 is 94425567024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7012758712 + ... + 7012758771.

It is an arithmetic number, because the mean of its divisors is an integer number (63114828678).

Almost surely, 2^420765524490 is an apocalyptic number.

420765524490 is an abundant number, since it is smaller than the sum of its proper divisors (589071734358).

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

420765524490 is a wasteful number, since it uses less digits than its factorization.

420765524490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14025517493.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 420765524490 in words is "four hundred twenty billion, seven hundred sixty-five million, five hundred twenty-four thousand, four hundred ninety".