1395297552 has 40 divisors (see below), whose sum is σ = 3932203680. Its totient is φ = 422817280.

The previous prime is 1395297551. The next prime is 1395297577. The reversal of 1395297552 is 2557925931.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1395297551) 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, 1320777 + ... + 1321832.

It is an arithmetic number, because the mean of its divisors is an integer number (98305092).

Almost surely, 2^1395297552 is an apocalyptic number.

1395297552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1395297552 is an abundant number, since it is smaller than the sum of its proper divisors (2536906128).

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

1395297552 is a wasteful number, since it uses less digits than its factorization.

1395297552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642631 (or 2642625 counting only the distinct ones).

The product of its digits is 850500, while the sum is 48.

The square root of 1395297552 is about 37353.6819068750. The cubic root of 1395297552 is about 1117.4350188681.

The spelling of 1395297552 in words is "one billion, three hundred ninety-five million, two hundred ninety-seven thousand, five hundred fifty-two".