40250988 has 36 divisors (see below), whose sum is σ = 103914720. Its totient is φ = 13130976.

The previous prime is 40250981. The next prime is 40251007. The reversal of 40250988 is 88905204.

40250988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×40250988² = 3240284069952288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40250981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10203 + ... + 13586.

It is an arithmetic number, because the mean of its divisors is an integer number (2886520).

Almost surely, 2^40250988 is an apocalyptic number.

It is an amenable number.

40250988 is an abundant number, since it is smaller than the sum of its proper divisors (63663732).

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

40250988 is a wasteful number, since it uses less digits than its factorization.

40250988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23846 (or 23841 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 40250988 is about 6344.3666350551. The cubic root of 40250988 is about 342.7090041575.

The spelling of 40250988 in words is "forty million, two hundred fifty thousand, nine hundred eighty-eight".