85154022480 has 80 divisors (see below), whose sum is σ = 264587440320. Its totient is φ = 22655268864.

The previous prime is 85154022461. The next prime is 85154022493. The reversal of 85154022480 is 8422045158.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 305790 + ... + 513629.

It is an arithmetic number, because the mean of its divisors is an integer number (3307343004).

Almost surely, 2^85154022480 is an apocalyptic number.

85154022480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85154022480 is an abundant number, since it is smaller than the sum of its proper divisors (179433417840).

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

85154022480 is a wasteful number, since it uses less digits than its factorization.

85154022480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819868 (or 819862 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 85154022480 in words is "eighty-five billion, one hundred fifty-four million, twenty-two thousand, four hundred eighty".