1534154880 has 128 divisors (see below), whose sum is σ = 4970664000. Its totient is φ = 402370560.

The previous prime is 1534154837. The next prime is 1534154887. The reversal of 1534154880 is 884514351.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1534154887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110571 + ... + 123669.

Almost surely, 2^1534154880 is an apocalyptic number.

1534154880 is a gapful number since it is divisible by the number (10) 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 1534154880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2485332000).

1534154880 is an abundant number, since it is smaller than the sum of its proper divisors (3436509120).

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

1534154880 is a wasteful number, since it uses less digits than its factorization.

1534154880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182 (or 13170 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 1534154880 is about 39168.2892146185. The cubic root of 1534154880 is about 1153.3374705173.

The spelling of 1534154880 in words is "one billion, five hundred thirty-four million, one hundred fifty-four thousand, eight hundred eighty".