40495293064 has 16 divisors (see below), whose sum is σ = 78546905100. Its totient is φ = 19549451712.

The previous prime is 40495293017. The next prime is 40495293073. The reversal of 40495293064 is 46039259404.

It can be written as a sum of positive squares in 2 ways, for example, as 37342470564 + 3152822500 = 193242^2 + 56150^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87274107 + ... + 87274570.

Almost surely, 2^40495293064 is an apocalyptic number.

It is an amenable number.

40495293064 is a deficient number, since it is larger than the sum of its proper divisors (38051612036).

40495293064 is a wasteful number, since it uses less digits than its factorization.

40495293064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174548712 (or 174548708 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 40495293064 in words is "forty billion, four hundred ninety-five million, two hundred ninety-three thousand, sixty-four".