354290445840 has 80 divisors (see below), whose sum is σ = 1108019939328. Its totient is φ = 93641361408.

The previous prime is 354290445827. The next prime is 354290445863. The reversal of 354290445840 is 48544092453.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 354290445840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6504784 + ... + 6559023.

Almost surely, 2^354290445840 is an apocalyptic number.

354290445840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354290445840 is an abundant number, since it is smaller than the sum of its proper divisors (753729493488).

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

354290445840 is a wasteful number, since it uses less digits than its factorization.

354290445840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13063936 (or 13063930 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 354290445840 in words is "three hundred fifty-four billion, two hundred ninety million, four hundred forty-five thousand, eight hundred forty".