40772740 has 12 divisors (see below), whose sum is σ = 85622796. Its totient is φ = 16309088.

The previous prime is 40772723. The next prime is 40772789. The reversal of 40772740 is 4727704.

It can be written as a sum of positive squares in 2 ways, for example, as 18645124 + 22127616 = 4318^2 + 4704^2 .

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, 1019299 + ... + 1019338.

It is an arithmetic number, because the mean of its divisors is an integer number (7135233).

Almost surely, 2^40772740 is an apocalyptic number.

It is an amenable number.

40772740 is an abundant number, since it is smaller than the sum of its proper divisors (44850056).

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

40772740 is a wasteful number, since it uses less digits than its factorization.

40772740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038646 (or 2038644 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 40772740 is about 6385.3535532498. The cubic root of 40772740 is about 344.1834360586.

The spelling of 40772740 in words is "forty million, seven hundred seventy-two thousand, seven hundred forty".