40799973492 has 36 divisors (see below), whose sum is σ = 103156005316. Its totient is φ = 13596992640.

The previous prime is 40799973469. The next prime is 40799973523. The reversal of 40799973492 is 29437999704.

40799973492 is a `hidden beast` number, since 4 + 0 + 79 + 9 + 9 + 73 + 492 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11200835556 + 29599137936 = 105834^2 + 172044^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43728 + ... + 288984.

Almost surely, 2^40799973492 is an apocalyptic number.

It is an amenable number.

40799973492 is an abundant number, since it is smaller than the sum of its proper divisors (62356031824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40799973492 is a wasteful number, since it uses less digits than its factorization.

40799973492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249888 (or 249883 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 40799973492 in words is "forty billion, seven hundred ninety-nine million, nine hundred seventy-three thousand, four hundred ninety-two".