40878832 has 40 divisors (see below), whose sum is σ = 82951040. Its totient is φ = 19491840.

The previous prime is 40878793. The next prime is 40878833. The reversal of 40878832 is 23887804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40878833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35644 + ... + 36772.

It is an arithmetic number, because the mean of its divisors is an integer number (2073776).

Almost surely, 2^40878832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40878832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41475520).

40878832 is an abundant number, since it is smaller than the sum of its proper divisors (42072208).

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

40878832 is a wasteful number, since it uses less digits than its factorization.

40878832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 40878832 is about 6393.6556053638. The cubic root of 40878832 is about 344.4817030186.

The spelling of 40878832 in words is "forty million, eight hundred seventy-eight thousand, eight hundred thirty-two".