40381088240 has 40 divisors (see below), whose sum is σ = 93996254688. Its totient is φ = 16133472000.

The previous prime is 40381088213. The next prime is 40381088243. The reversal of 40381088240 is 4288018304.

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

It is a junction number, because it is equal to n+sod(n) for n = 40381088194 and 40381088203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40381088243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227636 + ... + 364115.

Almost surely, 2^40381088240 is an apocalyptic number.

40381088240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40381088240 is an abundant number, since it is smaller than the sum of its proper divisors (53615166448).

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

40381088240 is a wasteful number, since it uses less digits than its factorization.

40381088240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592617 (or 592611 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The spelling of 40381088240 in words is "forty billion, three hundred eighty-one million, eighty-eight thousand, two hundred forty".