40896215651 has 8 divisors (see below), whose sum is σ = 41572676640. Its totient is φ = 40225232448.

The previous prime is 40896215641. The next prime is 40896215713. The reversal of 40896215651 is 15651269804.

40896215651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40896215651 - 2²² = 40892021347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40896215596 and 40896215605.

It is not an unprimeable number, because it can be changed into a prime (40896215621) 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, 1354391 + ... + 1384256.

It is an arithmetic number, because the mean of its divisors is an integer number (5196584580).

Almost surely, 2^40896215651 is an apocalyptic number.

40896215651 is a deficient number, since it is larger than the sum of its proper divisors (676460989).

40896215651 is a wasteful number, since it uses less digits than its factorization.

40896215651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738893.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 40896215651 in words is "forty billion, eight hundred ninety-six million, two hundred fifteen thousand, six hundred fifty-one".