40207472 has 10 divisors (see below), whose sum is σ = 77902008. Its totient is φ = 20103728.

The previous prime is 40207471. The next prime is 40207481. The reversal of 40207472 is 27470204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40207471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256468 + ... + 1256499.

Almost surely, 2^40207472 is an apocalyptic number.

It is an amenable number.

40207472 is a deficient number, since it is larger than the sum of its proper divisors (37694536).

40207472 is a wasteful number, since it uses less digits than its factorization.

40207472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512975 (or 2512969 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 40207472 is about 6340.9362084790. The cubic root of 40207472 is about 342.5854568581.

Adding to 40207472 its reverse (27470204), we get a palindrome (67677676).

The spelling of 40207472 in words is "forty million, two hundred seven thousand, four hundred seventy-two".