15042421410 has 128 divisors (see below), whose sum is σ = 39132460800. Its totient is φ = 3690385920.

The previous prime is 15042421313. The next prime is 15042421439. The reversal of 15042421410 is 1412424051.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28871950 + ... + 28872470.

It is an arithmetic number, because the mean of its divisors is an integer number (305722350).

Almost surely, 2^15042421410 is an apocalyptic number.

15042421410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15042421410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19566230400).

15042421410 is an abundant number, since it is smaller than the sum of its proper divisors (24090039390).

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

15042421410 is an equidigital number, since it uses as much as digits as its factorization.

15042421410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 15042421410 its reverse (1412424051), we get a palindrome (16454845461).

The spelling of 15042421410 in words is "fifteen billion, forty-two million, four hundred twenty-one thousand, four hundred ten".