40261884 has 36 divisors (see below), whose sum is σ = 101731896. Its totient is φ = 12387648.

The previous prime is 40261873. The next prime is 40261913. The reversal of 40261884 is 48816204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7899 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (2825886).

Almost surely, 2^40261884 is an apocalyptic number.

It is an amenable number.

40261884 is an abundant number, since it is smaller than the sum of its proper divisors (61470012).

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

40261884 is a wasteful number, since it uses less digits than its factorization.

40261884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19886 (or 19871 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 40261884 is about 6345.2252915086. The cubic root of 40261884 is about 342.7399253067.

Subtracting from 40261884 its sum of digits (33), we obtain a triangular number (40261851 = T₈₉₇₃).

The spelling of 40261884 in words is "forty million, two hundred sixty-one thousand, eight hundred eighty-four".