2155408498 has 8 divisors (see below), whose sum is σ = 3233323008. Its totient is φ = 1077634164.

The previous prime is 2155408483. The next prime is 2155408501. The reversal of 2155408498 is 8948045512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21915 + ... + 69217.

It is an arithmetic number, because the mean of its divisors is an integer number (404165376).

Almost surely, 2^2155408498 is an apocalyptic number.

2155408498 is a deficient number, since it is larger than the sum of its proper divisors (1077914510).

2155408498 is a wasteful number, since it uses less digits than its factorization.

2155408498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70088.

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 2155408498 is about 46426.3771793579. The cubic root of 2155408498 is about 1291.7442298832.

The spelling of 2155408498 in words is "two billion, one hundred fifty-five million, four hundred eight thousand, four hundred ninety-eight".