1552340880 has 120 divisors (see below), whose sum is σ = 5251122240. Its totient is φ = 410952960.

The previous prime is 1552340879. The next prime is 1552340897. The reversal of 1552340880 is 880432551.

It is a happy number.

1552340880 is a `hidden beast` number, since 15 + 523 + 40 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 92325 + ... + 107835.

It is an arithmetic number, because the mean of its divisors is an integer number (43759352).

Almost surely, 2^1552340880 is an apocalyptic number.

1552340880 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 1552340880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2625561120).

1552340880 is an abundant number, since it is smaller than the sum of its proper divisors (3698781360).

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

1552340880 is a wasteful number, since it uses less digits than its factorization.

1552340880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15669 (or 15660 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1552340880 is about 39399.7573596590. The cubic root of 1552340880 is about 1157.8768337061.

The spelling of 1552340880 in words is "one billion, five hundred fifty-two million, three hundred forty thousand, eight hundred eighty".