10218255408 has 80 divisors (see below), whose sum is σ = 29561282560. Its totient is φ = 3379247424.

The previous prime is 10218255401. The next prime is 10218255491. The reversal of 10218255408 is 80455281201.

10218255408 is a `hidden beast` number, since 1 + 0 + 21 + 82 + 554 + 0 + 8 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (10218255401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38260 + ... + 147987.

It is an arithmetic number, because the mean of its divisors is an integer number (369516032).

Almost surely, 2^10218255408 is an apocalyptic number.

10218255408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10218255408 is an abundant number, since it is smaller than the sum of its proper divisors (19343027152).

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

10218255408 is a wasteful number, since it uses less digits than its factorization.

10218255408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186391 (or 186379 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 10218255408 in words is "ten billion, two hundred eighteen million, two hundred fifty-five thousand, four hundred eight".