401980872574 has 4 divisors (see below), whose sum is σ = 602971308864. Its totient is φ = 200990436286.

The previous prime is 401980872523. The next prime is 401980872593. The reversal of 401980872574 is 475278089104.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100495218142 + ... + 100495218145.

It is an arithmetic number, because the mean of its divisors is an integer number (150742827216).

Almost surely, 2^401980872574 is an apocalyptic number.

401980872574 is a deficient number, since it is larger than the sum of its proper divisors (200990436290).

401980872574 is a wasteful number, since it uses less digits than its factorization.

401980872574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200990436289.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 401980872574 in words is "four hundred one billion, nine hundred eighty million, eight hundred seventy-two thousand, five hundred seventy-four".