40588890 has 16 divisors (see below), whose sum is σ = 97413408. Its totient is φ = 10823696.

The previous prime is 40588879. The next prime is 40588897. The reversal of 40588890 is 9888504.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40588897) 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, 676452 + ... + 676511.

It is an arithmetic number, because the mean of its divisors is an integer number (6088338).

Almost surely, 2^40588890 is an apocalyptic number.

40588890 is an abundant number, since it is smaller than the sum of its proper divisors (56824518).

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

40588890 is a wasteful number, since it uses less digits than its factorization.

40588890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352973.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 40588890 is about 6370.9410607853. The cubic root of 40588890 is about 343.6653327566.

The spelling of 40588890 in words is "forty million, five hundred eighty-eight thousand, eight hundred ninety".