40901992887 has 8 divisors (see below), whose sum is σ = 62326846336. Its totient is φ = 23372567352.

The previous prime is 40901992883. The next prime is 40901992889. The reversal of 40901992887 is 78829910904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40901992887 - 2² = 40901992883 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 (40901992883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973856953 + ... + 973856994.

It is an arithmetic number, because the mean of its divisors is an integer number (7790855792).

Almost surely, 2^40901992887 is an apocalyptic number.

40901992887 is a deficient number, since it is larger than the sum of its proper divisors (21424853449).

40901992887 is a wasteful number, since it uses less digits than its factorization.

40901992887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947713957.

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 40901992887 in words is "forty billion, nine hundred one million, nine hundred ninety-two thousand, eight hundred eighty-seven".