8541551408 has 20 divisors (see below), whose sum is σ = 17822275968. Its totient is φ = 3942254400.

The previous prime is 8541551393. The next prime is 8541551419. The reversal of 8541551408 is 8041551458.

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, 20532368 + ... + 20532783.

Almost surely, 2^8541551408 is an apocalyptic number.

It is an amenable number.

8541551408 is an abundant number, since it is smaller than the sum of its proper divisors (9280724560).

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

8541551408 is a wasteful number, since it uses less digits than its factorization.

8541551408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41065172 (or 41065166 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 41.

The square root of 8541551408 is about 92420.5139998691. The cubic root of 8541551408 is about 2044.1476080048.

The spelling of 8541551408 in words is "eight billion, five hundred forty-one million, five hundred fifty-one thousand, four hundred eight".