4951578800920 has 32 divisors (see below), whose sum is σ = 11141471491920. Its totient is φ = 1980556997760.

The previous prime is 4951578800827. The next prime is 4951578800947. The reversal of 4951578800920 is 290088751594.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1246227 + ... + 3384706.

Almost surely, 2^{4951578800920} is an apocalyptic number.

4951578800920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4951578800920 is an abundant number, since it is smaller than the sum of its proper divisors (6189892691000).

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

4951578800920 is a wasteful number, since it uses less digits than its factorization.

4951578800920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657675 (or 4657671 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 58.

The spelling of 4951578800920 in words is "four trillion, nine hundred fifty-one billion, five hundred seventy-eight million, eight hundred thousand, nine hundred twenty".