1551014880 has 144 divisors (see below), whose sum is σ = 4963209552. Its totient is φ = 407142400.

The previous prime is 1551014879. The next prime is 1551014903. The reversal of 1551014880 is 884101551.

1551014880 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2419360 + ... + 2420000.

It is an arithmetic number, because the mean of its divisors is an integer number (34466733).

Almost surely, 2^1551014880 is an apocalyptic number.

1551014880 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 1551014880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2481604776).

1551014880 is an abundant number, since it is smaller than the sum of its proper divisors (3412194672).

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

1551014880 is an equidigital number, since it uses as much as digits as its factorization.

1551014880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 33.

The square root of 1551014880 is about 39382.9262498357. The cubic root of 1551014880 is about 1157.5470560416.

The spelling of 1551014880 in words is "one billion, five hundred fifty-one million, fourteen thousand, eight hundred eighty".