1526252420 has 48 divisors (see below), whose sum is σ = 3996010368. Its totient is φ = 475714560.

The previous prime is 1526252411. The next prime is 1526252447. The reversal of 1526252420 is 242526251.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493997 + ... + 497076.

It is an arithmetic number, because the mean of its divisors is an integer number (83250216).

Almost surely, 2^1526252420 is an apocalyptic number.

1526252420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1526252420 is an abundant number, since it is smaller than the sum of its proper divisors (2469757948).

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

1526252420 is a wasteful number, since it uses less digits than its factorization.

1526252420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991100 (or 991098 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1526252420 is about 39067.2806834568. The cubic root of 1526252420 is about 1151.3537730809.

Adding to 1526252420 its reverse (242526251), we get a palindrome (1768778671).

The spelling of 1526252420 in words is "one billion, five hundred twenty-six million, two hundred fifty-two thousand, four hundred twenty".