40920932 has 12 divisors (see below), whose sum is σ = 77120316. Its totient is φ = 18886560.

The previous prime is 40920931. The next prime is 40920937. The reversal of 40920932 is 23902904.

It can be written as a sum of positive squares in 2 ways, for example, as 21771556 + 19149376 = 4666^2 + 4376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40920895 and 40920904.

It is not an unprimeable number, because it can be changed into a prime (40920931) 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, 393419 + ... + 393522.

It is an arithmetic number, because the mean of its divisors is an integer number (6426693).

Almost surely, 2^40920932 is an apocalyptic number.

It is an amenable number.

40920932 is a deficient number, since it is larger than the sum of its proper divisors (36199384).

40920932 is a wasteful number, since it uses less digits than its factorization.

40920932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786958 (or 786956 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 40920932 is about 6396.9470843520. The cubic root of 40920932 is about 344.5999198984.

The spelling of 40920932 in words is "forty million, nine hundred twenty thousand, nine hundred thirty-two".