40518948 has 12 divisors (see below), whose sum is σ = 94544240. Its totient is φ = 13506312.

The previous prime is 40518923. The next prime is 40518949. The reversal of 40518948 is 84981504.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (40518949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688278 + ... + 1688301.

Almost surely, 2^40518948 is an apocalyptic number.

It is an amenable number.

40518948 is an abundant number, since it is smaller than the sum of its proper divisors (54025292).

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

40518948 is a wasteful number, since it uses less digits than its factorization.

40518948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376586 (or 3376584 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 40518948 is about 6365.4495520741. The cubic root of 40518948 is about 343.4678200840.

The spelling of 40518948 in words is "forty million, five hundred eighteen thousand, nine hundred forty-eight".