40255480 has 32 divisors (see below), whose sum is σ = 93700800. Its totient is φ = 15546496.

The previous prime is 40255447. The next prime is 40255493. The reversal of 40255480 is 8455204.

It is a congruent 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, 16192 + ... + 18511.

It is an arithmetic number, because the mean of its divisors is an integer number (2928150).

Almost surely, 2^40255480 is an apocalyptic number.

40255480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40255480 is an abundant number, since it is smaller than the sum of its proper divisors (53445320).

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

40255480 is a wasteful number, since it uses less digits than its factorization.

40255480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34743 (or 34739 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 40255480 is about 6344.7206400282. The cubic root of 40255480 is about 342.7217524291.

The spelling of 40255480 in words is "forty million, two hundred fifty-five thousand, four hundred eighty".