80154829440 has 384 divisors, whose sum is σ = 324047243520. Its totient is φ = 17873879040.

The previous prime is 80154829333. The next prime is 80154829483. The reversal of 80154829440 is 4492845108.

80154829440 is a `hidden beast` number, since 80 + 1 + 5 + 482 + 94 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1628877 + ... + 1677363.

It is an arithmetic number, because the mean of its divisors is an integer number (843873030).

Almost surely, 2^80154829440 is an apocalyptic number.

80154829440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80154829440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162023621760).

80154829440 is an abundant number, since it is smaller than the sum of its proper divisors (243892414080).

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

80154829440 is a wasteful number, since it uses less digits than its factorization.

80154829440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48560 (or 48545 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 80154829440 in words is "eighty billion, one hundred fifty-four million, eight hundred twenty-nine thousand, four hundred forty".