40398876 has 36 divisors (see below), whose sum is σ = 116708592. Its totient is φ = 11542464.

The previous prime is 40398863. The next prime is 40398877. The reversal of 40398876 is 67889304.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40398877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79905 + ... + 80408.

Almost surely, 2^40398876 is an apocalyptic number.

It is an amenable number.

40398876 is an abundant number, since it is smaller than the sum of its proper divisors (76309716).

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

40398876 is a wasteful number, since it uses less digits than its factorization.

40398876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160330 (or 160325 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 40398876 is about 6356.0110132063. The cubic root of 40398876 is about 343.1282121192.

The spelling of 40398876 in words is "forty million, three hundred ninety-eight thousand, eight hundred seventy-six".