420297952772 has 12 divisors (see below), whose sum is σ = 736373707776. Its totient is φ = 209905464840.

The previous prime is 420297952771. The next prime is 420297952859. The reversal of 420297952772 is 277259792024.

It is not an unprimeable number, because it can be changed into a prime (420297952771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60874004 + ... + 60880907.

It is an arithmetic number, because the mean of its divisors is an integer number (61364475648).

Almost surely, 2^420297952772 is an apocalyptic number.

It is an amenable number.

420297952772 is a deficient number, since it is larger than the sum of its proper divisors (316075755004).

420297952772 is a wasteful number, since it uses less digits than its factorization.

420297952772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121755778 (or 121755776 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 420297952772 in words is "four hundred twenty billion, two hundred ninety-seven million, nine hundred fifty-two thousand, seven hundred seventy-two".