354012053520 has 40 divisors (see below), whose sum is σ = 1097437366656. Its totient is φ = 94403214208.

The previous prime is 354012053477. The next prime is 354012053561. The reversal of 354012053520 is 25350210453.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737524872 + ... + 737525351.

Almost surely, 2^354012053520 is an apocalyptic number.

354012053520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354012053520 is an abundant number, since it is smaller than the sum of its proper divisors (743425313136).

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

354012053520 is a wasteful number, since it uses less digits than its factorization.

354012053520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475050239 (or 1475050233 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 354012053520 its reverse (25350210453), we get a palindrome (379362263973).

The spelling of 354012053520 in words is "three hundred fifty-four billion, twelve million, fifty-three thousand, five hundred twenty".