351057022140 has 96 divisors (see below), whose sum is σ = 1073098897920. Its totient is φ = 85042886400.

The previous prime is 351057022103. The next prime is 351057022181. The reversal of 351057022140 is 41220750153.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 351057022098 and 351057022107.

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, 718881 + ... + 1104039.

It is an arithmetic number, because the mean of its divisors is an integer number (11178113520).

Almost surely, 2^351057022140 is an apocalyptic number.

351057022140 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 351057022140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536549448960).

351057022140 is an abundant number, since it is smaller than the sum of its proper divisors (722041875780).

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

351057022140 is a wasteful number, since it uses less digits than its factorization.

351057022140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386563 (or 386561 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 351057022140 its reverse (41220750153), we get a palindrome (392277772293).

The spelling of 351057022140 in words is "three hundred fifty-one billion, fifty-seven million, twenty-two thousand, one hundred forty".