40255488 has 240 divisors, whose sum is σ = 146796160. Its totient is φ = 10616832.

The previous prime is 40255447. The next prime is 40255493. The reversal of 40255488 is 88455204.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3096570 + ... + 3096582.

Almost surely, 2^40255488 is an apocalyptic number.

40255488 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40255488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73398080).

40255488 is an abundant number, since it is smaller than the sum of its proper divisors (106540672).

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

40255488 is an equidigital number, since it uses as much as digits as its factorization.

40255488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 40255488 is about 6344.7212704736. The cubic root of 40255488 is about 342.7217751322.

The spelling of 40255488 in words is "forty million, two hundred fifty-five thousand, four hundred eighty-eight".