354658354820 has 48 divisors (see below), whose sum is σ = 928560060288. Its totient is φ = 110542863360.

The previous prime is 354658354811. The next prime is 354658354861. The reversal of 354658354820 is 28453856453.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 115147277 + ... + 115150356.

It is an arithmetic number, because the mean of its divisors is an integer number (19345001256).

Almost surely, 2^354658354820 is an apocalyptic number.

It is an amenable number.

354658354820 is an abundant number, since it is smaller than the sum of its proper divisors (573901705468).

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

354658354820 is a wasteful number, since it uses less digits than its factorization.

354658354820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230297660 (or 230297658 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 53.

The spelling of 354658354820 in words is "three hundred fifty-four billion, six hundred fifty-eight million, three hundred fifty-four thousand, eight hundred twenty".