1552287040 has 56 divisors (see below), whose sum is σ = 3705907752. Its totient is φ = 619315200.

The previous prime is 1552287029. The next prime is 1552287047. The reversal of 1552287040 is 407822551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 188018944 + 1364268096 = 13712^2 + 36936^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1552286987 and 1552287005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552287047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122272 + ... + 134368.

Almost surely, 2^1552287040 is an apocalyptic number.

1552287040 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 1552287040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852953876).

1552287040 is an abundant number, since it is smaller than the sum of its proper divisors (2153620712).

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

1552287040 is a wasteful number, since it uses less digits than its factorization.

1552287040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515 (or 12505 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 1552287040 is about 39399.0741007958. The cubic root of 1552287040 is about 1157.8634472971.

The spelling of 1552287040 in words is "one billion, five hundred fifty-two million, two hundred eighty-seven thousand, forty".