40540148 has 48 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 17186400.

The previous prime is 40540147. The next prime is 40540163. The reversal of 40540148 is 84104504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40540141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59015 + ... + 59697.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 2^40540148 is an apocalyptic number.

It is an amenable number.

40540148 is an abundant number, since it is smaller than the sum of its proper divisors (42196492).

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

40540148 is a wasteful number, since it uses less digits than its factorization.

40540148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 40540148 is about 6367.1145741223. The cubic root of 40540148 is about 343.5277118020.

The spelling of 40540148 in words is "forty million, five hundred forty thousand, one hundred forty-eight".