1552440120 has 128 divisors (see below), whose sum is σ = 5806563840. Its totient is φ = 322583040.

The previous prime is 1552440107. The next prime is 1552440181. The reversal of 1552440120 is 210442551.

It is a super-2 number, since 2×1552440120² = 4820140652371228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74767 + ... + 93246.

It is an arithmetic number, because the mean of its divisors is an integer number (45363780).

Almost surely, 2^1552440120 is an apocalyptic number.

1552440120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552440120 is an abundant number, since it is smaller than the sum of its proper divisors (4254123720).

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

1552440120 is a wasteful number, since it uses less digits than its factorization.

1552440120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168045 (or 168041 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1552440120 is about 39401.0167381503. The cubic root of 1552440120 is about 1157.9015072491.

Adding to 1552440120 its reverse (210442551), we get a palindrome (1762882671).

The spelling of 1552440120 in words is "one billion, five hundred fifty-two million, four hundred forty thousand, one hundred twenty".