354287155880 has 64 divisors (see below), whose sum is σ = 929616480000. Its totient is φ = 121469877312.

The previous prime is 354287155837. The next prime is 354287155913. The reversal of 354287155880 is 88551782453.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 12897620 + ... + 12925059.

It is an arithmetic number, because the mean of its divisors is an integer number (14525257500).

Almost surely, 2^354287155880 is an apocalyptic number.

It is an amenable number.

354287155880 is an abundant number, since it is smaller than the sum of its proper divisors (575329324120).

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

354287155880 is a wasteful number, since it uses less digits than its factorization.

354287155880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25822711 (or 25822693 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 56.

The spelling of 354287155880 in words is "three hundred fifty-four billion, two hundred eighty-seven million, one hundred fifty-five thousand, eight hundred eighty".