1552945344 has 112 divisors (see below), whose sum is σ = 4259397120. Its totient is φ = 499000320.

The previous prime is 1552945337. The next prime is 1552945351. The reversal of 1552945344 is 4435492551.

It is an interprime number because it is at equal distance from previous prime (1552945337) and next prime (1552945351).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1552945296 and 1552945305.

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, 651034 + ... + 653414.

Almost surely, 2^1552945344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552945344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2129698560).

1552945344 is an abundant number, since it is smaller than the sum of its proper divisors (2706451776).

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

1552945344 is a wasteful number, since it uses less digits than its factorization.

1552945344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518 (or 2508 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 1552945344 is about 39407.4275232474. The cubic root of 1552945344 is about 1158.0271022558.

The spelling of 1552945344 in words is "one billion, five hundred fifty-two million, nine hundred forty-five thousand, three hundred forty-four".