420715491052 has 24 divisors (see below), whose sum is σ = 740635812000. Its totient is φ = 209108745216.

The previous prime is 420715491019. The next prime is 420715491059. The reversal of 420715491052 is 250194517024.

It is a super-2 number, since 2×420715491052² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420715490996 and 420715491014.

It is not an unprimeable number, because it can be changed into a prime (420715491059) 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, 47713 + ... + 918535.

It is an arithmetic number, because the mean of its divisors is an integer number (30859825500).

Almost surely, 2^420715491052 is an apocalyptic number.

It is an amenable number.

420715491052 is a deficient number, since it is larger than the sum of its proper divisors (319920320948).

420715491052 is a wasteful number, since it uses less digits than its factorization.

420715491052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871545 (or 871543 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 420715491052 in words is "four hundred twenty billion, seven hundred fifteen million, four hundred ninety-one thousand, fifty-two".