420682618790 has 32 divisors (see below), whose sum is σ = 866541547584. Its totient is φ = 144044490240.

The previous prime is 420682618787. The next prime is 420682618813. The reversal of 420682618790 is 97816286024.

It is a super-2 number, since 2×420682618790² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3895319 + ... + 4001858.

It is an arithmetic number, because the mean of its divisors is an integer number (27079423362).

Almost surely, 2^420682618790 is an apocalyptic number.

420682618790 is an abundant number, since it is smaller than the sum of its proper divisors (445858928794).

420682618790 is a wasteful number, since it uses less digits than its factorization.

420682618790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7897952.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 420682618790 in words is "four hundred twenty billion, six hundred eighty-two million, six hundred eighteen thousand, seven hundred ninety".