40561254 has 24 divisors (see below), whose sum is σ = 87999912. Its totient is φ = 13502400.

The previous prime is 40561253. The next prime is 40561273. The reversal of 40561254 is 45216504.

40561254 is a `hidden beast` number, since 40 + 5 + 612 + 5 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40561253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25342 + ... + 26894.

It is an arithmetic number, because the mean of its divisors is an integer number (3666663).

Almost surely, 2^40561254 is an apocalyptic number.

40561254 is an abundant number, since it is smaller than the sum of its proper divisors (47438658).

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

40561254 is a wasteful number, since it uses less digits than its factorization.

40561254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40561254 is about 6368.7717811208. The cubic root of 40561254 is about 343.5873172249.

Adding to 40561254 its reverse (45216504), we get a palindrome (85777758).

The spelling of 40561254 in words is "forty million, five hundred sixty-one thousand, two hundred fifty-four".