40764940 has 12 divisors (see below), whose sum is σ = 85606416. Its totient is φ = 16305968.

The previous prime is 40764931. The next prime is 40764943. The reversal of 40764940 is 4946704.

It is a junction number, because it is equal to n+sod(n) for n = 40764896 and 40764905.

It is not an unprimeable number, because it can be changed into a prime (40764943) 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, 1019104 + ... + 1019143.

It is an arithmetic number, because the mean of its divisors is an integer number (7133868).

Almost surely, 2^40764940 is an apocalyptic number.

It is an amenable number.

40764940 is an abundant number, since it is smaller than the sum of its proper divisors (44841476).

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

40764940 is a wasteful number, since it uses less digits than its factorization.

40764940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038256 (or 2038254 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40764940 is about 6384.7427512782. The cubic root of 40764940 is about 344.1614867364.

The spelling of 40764940 in words is "forty million, seven hundred sixty-four thousand, nine hundred forty".