1872993440196 has 72 divisors (see below), whose sum is σ = 4840990452480. Its totient is φ = 610443385344.

The previous prime is 1872993440137. The next prime is 1872993440233. The reversal of 1872993440196 is 6910443992781.

1872993440196 is a `hidden beast` number, since 1 + 87 + 29 + 9 + 3 + 440 + 1 + 96 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2904045 + ... + 3489908.

Almost surely, 2^{1872993440196} is an apocalyptic number.

It is an amenable number.

1872993440196 is an abundant number, since it is smaller than the sum of its proper divisors (2967997012284).

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

1872993440196 is a wasteful number, since it uses less digits than its factorization.

1872993440196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6394145 (or 6394140 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 1872993440196 in words is "one trillion, eight hundred seventy-two billion, nine hundred ninety-three million, four hundred forty thousand, one hundred ninety-six".