40292880 has 40 divisors (see below), whose sum is σ = 124908672. Its totient is φ = 10744704.

The previous prime is 40292869. The next prime is 40292887. The reversal of 40292880 is 8829204.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (40292887) 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, 83704 + ... + 84183.

Almost surely, 2^40292880 is an apocalyptic number.

40292880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40292880 is an abundant number, since it is smaller than the sum of its proper divisors (84615792).

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

40292880 is a wasteful number, since it uses less digits than its factorization.

40292880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167903 (or 167897 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 40292880 is about 6347.6672880673. The cubic root of 40292880 is about 342.8278566255.

The spelling of 40292880 in words is "forty million, two hundred ninety-two thousand, eight hundred eighty".