8154990240 has 96 divisors (see below), whose sum is σ = 26574065280. Its totient is φ = 2099672064.

The previous prime is 8154990229. The next prime is 8154990301. The reversal of 8154990240 is 420994518.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 8154990192 and 8154990201.

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, 279004 + ... + 306843.

It is an arithmetic number, because the mean of its divisors is an integer number (276813180).

Almost surely, 2^8154990240 is an apocalyptic number.

8154990240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8154990240 is an abundant number, since it is smaller than the sum of its proper divisors (18419075040).

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

8154990240 is a wasteful number, since it uses less digits than its factorization.

8154990240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585894 (or 585886 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 8154990240 is about 90304.9845800330. The cubic root of 8154990240 is about 2012.8333300222.

The spelling of 8154990240 in words is "eight billion, one hundred fifty-four million, nine hundred ninety thousand, two hundred forty".