40234672 has 20 divisors (see below), whose sum is σ = 78053040. Its totient is φ = 20091968.

The previous prime is 40234661. The next prime is 40234681. The reversal of 40234672 is 27643204.

It is a self number, because there is not a number n which added to its sum of digits gives 40234672.

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, 24138 + ... + 25750.

It is an arithmetic number, because the mean of its divisors is an integer number (3902652).

Almost surely, 2^40234672 is an apocalyptic number.

It is an amenable number.

40234672 is a deficient number, since it is larger than the sum of its proper divisors (37818368).

40234672 is a wasteful number, since it uses less digits than its factorization.

40234672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 40234672 is about 6343.0806395631. The cubic root of 40234672 is about 342.6626914573.

Adding to 40234672 its reverse (27643204), we get a palindrome (67877876).

The spelling of 40234672 in words is "forty million, two hundred thirty-four thousand, six hundred seventy-two".