40253427 has 24 divisors (see below), whose sum is σ = 61152000. Its totient is φ = 25465968.

The previous prime is 40253417. The next prime is 40253443. The reversal of 40253427 is 72435204.

It is not a de Polignac number, because 40253427 - 2¹⁰ = 40252403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40253427.

It is not an unprimeable number, because it can be changed into a prime (40253417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28074 + ... + 29472.

It is an arithmetic number, because the mean of its divisors is an integer number (2548000).

Almost surely, 2^40253427 is an apocalyptic number.

40253427 is a deficient number, since it is larger than the sum of its proper divisors (20898573).

40253427 is a wasteful number, since it uses less digits than its factorization.

40253427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 40253427 is about 6344.5588499123. The cubic root of 40253427 is about 342.7159261439.

The spelling of 40253427 in words is "forty million, two hundred fifty-three thousand, four hundred twenty-seven".