40406092576 has 24 divisors (see below), whose sum is σ = 79554450780. Its totient is φ = 20201787648.

The previous prime is 40406092537. The next prime is 40406092577. The reversal of 40406092576 is 67529060404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38524268176 + 1881824400 = 196276^2 + 43380^2 .

It is not an unprimeable number, because it can be changed into a prime (40406092577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690910 + ... + 747106.

Almost surely, 2^40406092576 is an apocalyptic number.

It is an amenable number.

40406092576 is a deficient number, since it is larger than the sum of its proper divisors (39148358204).

40406092576 is a wasteful number, since it uses less digits than its factorization.

40406092576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78676 (or 78668 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 40406092576 in words is "forty billion, four hundred six million, ninety-two thousand, five hundred seventy-six".