354478680 has 96 divisors (see below), whose sum is σ = 1194757200. Its totient is φ = 94525056.

The previous prime is 354478673. The next prime is 354478693. The reversal of 354478680 is 86874453.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8515 + ... + 27954.

Almost surely, 2^354478680 is an apocalyptic number.

354478680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354478680 is an abundant number, since it is smaller than the sum of its proper divisors (840278520).

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

354478680 is a wasteful number, since it uses less digits than its factorization.

354478680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36495 (or 36479 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 354478680 is about 18827.6042023408. The cubic root of 354478680 is about 707.7231034415.

The spelling of 354478680 in words is "three hundred fifty-four million, four hundred seventy-eight thousand, six hundred eighty".