40811651015 has 16 divisors (see below), whose sum is σ = 50340822240. Its totient is φ = 31739610240.

The previous prime is 40811651011. The next prime is 40811651039. The reversal of 40811651015 is 51015611804.

It is not a de Polignac number, because 40811651015 - 2² = 40811651011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40811651011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122441 + ... + 310829.

It is an arithmetic number, because the mean of its divisors is an integer number (3146301390).

Almost surely, 2^40811651015 is an apocalyptic number.

40811651015 is a deficient number, since it is larger than the sum of its proper divisors (9529171225).

40811651015 is a wasteful number, since it uses less digits than its factorization.

40811651015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189602.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 40811651015 in words is "forty billion, eight hundred eleven million, six hundred fifty-one thousand, fifteen".