40371276791999 has 4 divisors (see below), whose sum is σ = 40425612293136. Its totient is φ = 40316941290864.

The previous prime is 40371276791981. The next prime is 40371276792043. The reversal of 40371276791999 is 99919767217304.

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

It is a cyclic number.

It is not a de Polignac number, because 40371276791999 - 2³⁶ = 40302557315263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40371276791399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27167749454 + ... + 27167750939.

It is an arithmetic number, because the mean of its divisors is an integer number (10106403073284).

Almost surely, 2^{40371276791999} is an apocalyptic number.

40371276791999 is a deficient number, since it is larger than the sum of its proper divisors (54335501137).

40371276791999 is an equidigital number, since it uses as much as digits as its factorization.

40371276791999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54335501136.

The product of its (nonzero) digits is 324060912, while the sum is 74.

The spelling of 40371276791999 in words is "forty trillion, three hundred seventy-one billion, two hundred seventy-six million, seven hundred ninety-one thousand, nine hundred ninety-nine".