474921689820 has 48 divisors (see below), whose sum is σ = 1333199256480. Its totient is φ = 126320210176.

The previous prime is 474921689819. The next prime is 474921689831. The reversal of 474921689820 is 28986129474.

It is a super-2 number, since 2×474921689820² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 10150647 + ... + 10197326.

It is an arithmetic number, because the mean of its divisors is an integer number (27774984510).

Almost surely, 2^474921689820 is an apocalyptic number.

It is an amenable number.

474921689820 is an abundant number, since it is smaller than the sum of its proper divisors (858277566660).

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

474921689820 is a wasteful number, since it uses less digits than its factorization.

474921689820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20348374 (or 20348372 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 474921689820 in words is "four hundred seventy-four billion, nine hundred twenty-one million, six hundred eighty-nine thousand, eight hundred twenty".