40902255 has 48 divisors (see below), whose sum is σ = 75838464. Its totient is φ = 20321280.

The previous prime is 40902233. The next prime is 40902259. The reversal of 40902255 is 55220904.

40902255 is a `hidden beast` number, since 409 + 0 + 2 + 255 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-40902255 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40902259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96945 + ... + 97365.

It is an arithmetic number, because the mean of its divisors is an integer number (1579968).

Almost surely, 2^40902255 is an apocalyptic number.

40902255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40902255 is a deficient number, since it is larger than the sum of its proper divisors (34936209).

40902255 is a wasteful number, since it uses less digits than its factorization.

40902255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 40902255 is about 6395.4870807469. The cubic root of 40902255 is about 344.5474848582.

The spelling of 40902255 in words is "forty million, nine hundred two thousand, two hundred fifty-five".