40691252695 has 8 divisors (see below), whose sum is σ = 48833985744. Its totient is φ = 32550013824.

The previous prime is 40691252689. The next prime is 40691252741. The reversal of 40691252695 is 59625219604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40691252695 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312729 + ... + 423298.

It is an arithmetic number, because the mean of its divisors is an integer number (6104248218).

Almost surely, 2^40691252695 is an apocalyptic number.

40691252695 is a deficient number, since it is larger than the sum of its proper divisors (8142733049).

40691252695 is a wasteful number, since it uses less digits than its factorization.

40691252695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747089.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 40691252695 in words is "forty billion, six hundred ninety-one million, two hundred fifty-two thousand, six hundred ninety-five".