40896958394 has 4 divisors (see below), whose sum is σ = 61345437594. Its totient is φ = 20448479196.

The previous prime is 40896958387. The next prime is 40896958423. The reversal of 40896958394 is 49385969804.

40896958394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 40708308169 + 188650225 = 201763^2 + 13735^2 .

It is a super-2 number, since 2×40896958394² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40896958394.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10224239597 + ... + 10224239600.

Almost surely, 2^40896958394 is an apocalyptic number.

40896958394 is a deficient number, since it is larger than the sum of its proper divisors (20448479200).

40896958394 is a wasteful number, since it uses less digits than its factorization.

40896958394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20448479199.

The product of its (nonzero) digits is 67184640, while the sum is 65.

The spelling of 40896958394 in words is "forty billion, eight hundred ninety-six million, nine hundred fifty-eight thousand, three hundred ninety-four".