199974562940 has 48 divisors (see below), whose sum is σ = 426878968320. Its totient is φ = 78674756160.

The previous prime is 199974562939. The next prime is 199974562951. The reversal of 199974562940 is 49265479991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426929 + ... + 763031.

It is an arithmetic number, because the mean of its divisors is an integer number (8893311840).

Almost surely, 2^199974562940 is an apocalyptic number.

199974562940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199974562940 is an abundant number, since it is smaller than the sum of its proper divisors (226904405380).

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

199974562940 is a wasteful number, since it uses less digits than its factorization.

199974562940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336602 (or 336600 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 65.

The spelling of 199974562940 in words is "one hundred ninety-nine billion, nine hundred seventy-four million, five hundred sixty-two thousand, nine hundred forty".