1552355240 has 32 divisors (see below), whose sum is σ = 3519473760. Its totient is φ = 616200000.

The previous prime is 1552355237. The next prime is 1552355249. The reversal of 1552355240 is 425532551.

It is a junction number, because it is equal to n+sod(n) for n = 1552355197 and 1552355206.

It is not an unprimeable number, because it can be changed into a prime (1552355249) 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, 142886 + ... + 153365.

It is an arithmetic number, because the mean of its divisors is an integer number (109983555).

Almost surely, 2^1552355240 is an apocalyptic number.

1552355240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552355240 is an abundant number, since it is smaller than the sum of its proper divisors (1967118520).

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

1552355240 is a wasteful number, since it uses less digits than its factorization.

1552355240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296393 (or 296389 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1552355240 is about 39399.9395938623. The cubic root of 1552355240 is about 1157.8804040259.

Adding to 1552355240 its reverse (425532551), we get a palindrome (1977887791).

The spelling of 1552355240 in words is "one billion, five hundred fifty-two million, three hundred fifty-five thousand, two hundred forty".