40518460 has 12 divisors (see below), whose sum is σ = 85088808. Its totient is φ = 16207376.

The previous prime is 40518421. The next prime is 40518487. The reversal of 40518460 is 6481504.

It is a congruent number.

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, 1012942 + ... + 1012981.

It is an arithmetic number, because the mean of its divisors is an integer number (7090734).

Almost surely, 2^40518460 is an apocalyptic number.

It is an amenable number.

40518460 is an abundant number, since it is smaller than the sum of its proper divisors (44570348).

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

40518460 is a wasteful number, since it uses less digits than its factorization.

40518460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025932 (or 2025930 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40518460 is about 6365.4112200234. The cubic root of 40518460 is about 343.4664411985.

Adding to 40518460 its reverse (6481504), we get a palindrome (46999964).

The spelling of 40518460 in words is "forty million, five hundred eighteen thousand, four hundred sixty".