1552315240 has 64 divisors (see below), whose sum is σ = 4042252800. Its totient is φ = 525477888.

The previous prime is 1552315223. The next prime is 1552315249. The reversal of 1552315240 is 425132551.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1552315199 and 1552315208.

It is not an unprimeable number, because it can be changed into a prime (1552315249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12969 + ... + 57208.

It is an arithmetic number, because the mean of its divisors is an integer number (63160200).

Almost surely, 2^1552315240 is an apocalyptic number.

1552315240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552315240 is an abundant number, since it is smaller than the sum of its proper divisors (2489937560).

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

1552315240 is a wasteful number, since it uses less digits than its factorization.

1552315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70274 (or 70270 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1552315240 is about 39399.4319756009. The cubic root of 1552315240 is about 1157.8704587907.

Adding to 1552315240 its reverse (425132551), we get a palindrome (1977447791).

The spelling of 1552315240 in words is "one billion, five hundred fifty-two million, three hundred fifteen thousand, two hundred forty".