354546640 has 160 divisors (see below), whose sum is σ = 976437504. Its totient is φ = 117227520.

The previous prime is 354546637. The next prime is 354546697. The reversal of 354546640 is 46645453.

It is a self number, because there is not a number n which added to its sum of digits gives 354546640.

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, 3313467 + ... + 3313573.

Almost surely, 2^354546640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354546640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488218752).

354546640 is an abundant number, since it is smaller than the sum of its proper divisors (621890864).

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

354546640 is a wasteful number, since it uses less digits than its factorization.

354546640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 354546640 is about 18829.4089126558. The cubic root of 354546640 is about 707.7683283417.

The spelling of 354546640 in words is "three hundred fifty-four million, five hundred forty-six thousand, six hundred forty".