40263672 has 32 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 13294944.

The previous prime is 40263649. The next prime is 40263677. The reversal of 40263672 is 27636204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40263677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5272 + ... + 10407.

It is an arithmetic number, because the mean of its divisors is an integer number (3175200).

Almost surely, 2^40263672 is an apocalyptic number.

It is an amenable number.

40263672 is an abundant number, since it is smaller than the sum of its proper divisors (61342728).

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

40263672 is a wasteful number, since it uses less digits than its factorization.

40263672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15795 (or 15791 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 40263672 is about 6345.3661832868. The cubic root of 40263672 is about 342.7449988391.

Adding to 40263672 its reverse (27636204), we get a palindrome (67899876).

The spelling of 40263672 in words is "forty million, two hundred sixty-three thousand, six hundred seventy-two".