391054920960 has 288 divisors, whose sum is σ = 1363404970368. Its totient is φ = 94736220160.

The previous prime is 391054920943. The next prime is 391054921073. The reversal of 391054920960 is 69029450193.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96009484 + ... + 96013556.

It is an arithmetic number, because the mean of its divisors is an integer number (4734045036).

Almost surely, 2^391054920960 is an apocalyptic number.

391054920960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 391054920960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681702485184).

391054920960 is an abundant number, since it is smaller than the sum of its proper divisors (972350049408).

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

391054920960 is a wasteful number, since it uses less digits than its factorization.

391054920960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6367 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The spelling of 391054920960 in words is "three hundred ninety-one billion, fifty-four million, nine hundred twenty thousand, nine hundred sixty".