40019088 has 40 divisors (see below), whose sum is σ = 109466208. Its totient is φ = 12554752.

The previous prime is 40019041. The next prime is 40019123. The reversal of 40019088 is 88091004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23706 + ... + 25337.

Almost surely, 2^40019088 is an apocalyptic number.

40019088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40019088 is an abundant number, since it is smaller than the sum of its proper divisors (69447120).

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

40019088 is a wasteful number, since it uses less digits than its factorization.

40019088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49071 (or 49065 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 40019088 is about 6326.0641792508. The cubic root of 40019088 is about 342.0495807192.

The spelling of 40019088 in words is "forty million, nineteen thousand, eighty-eight".