1552515042 has 128 divisors (see below), whose sum is σ = 3775242240. Its totient is φ = 420837120.

The previous prime is 1552515007. The next prime is 1552515049. The reversal of 1552515042 is 2405152551.

It is not an unprimeable number, because it can be changed into a prime (1552515049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1260567 + ... + 1261797.

It is an arithmetic number, because the mean of its divisors is an integer number (29494080).

Almost surely, 2^1552515042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552515042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1887621120).

1552515042 is an abundant number, since it is smaller than the sum of its proper divisors (2222727198).

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

1552515042 is a wasteful number, since it uses less digits than its factorization.

1552515042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1552515042 is about 39401.9674889465. The cubic root of 1552515042 is about 1157.9201340333.

Adding to 1552515042 its reverse (2405152551), we get a palindrome (3957667593).

The spelling of 1552515042 in words is "one billion, five hundred fifty-two million, five hundred fifteen thousand, forty-two".