40431652 has 12 divisors (see below), whose sum is σ = 70800156. Its totient is φ = 20203040.

The previous prime is 40431623. The next prime is 40431683. The reversal of 40431652 is 25613404.

It can be written as a sum of positive squares in 2 ways, for example, as 28153636 + 12278016 = 5306^2 + 3504^2 .

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, 9678 + ... + 13210.

It is an arithmetic number, because the mean of its divisors is an integer number (5900013).

Almost surely, 2^40431652 is an apocalyptic number.

It is an amenable number.

40431652 is a deficient number, since it is larger than the sum of its proper divisors (30368504).

40431652 is a wasteful number, since it uses less digits than its factorization.

40431652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6398 (or 6396 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40431652 is about 6358.5888371556. The cubic root of 40431652 is about 343.2209814512.

The spelling of 40431652 in words is "forty million, four hundred thirty-one thousand, six hundred fifty-two".