15152143440 has 160 divisors (see below), whose sum is σ = 53731203840. Its totient is φ = 3460165632.

The previous prime is 15152143439. The next prime is 15152143463. The reversal of 15152143440 is 4434125151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15152143398 and 15152143407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2162022 + ... + 2169018.

It is an arithmetic number, because the mean of its divisors is an integer number (335820024).

Almost surely, 2^15152143440 is an apocalyptic number.

15152143440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15152143440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26865601920).

15152143440 is an abundant number, since it is smaller than the sum of its proper divisors (38579060400).

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

15152143440 is a wasteful number, since it uses less digits than its factorization.

15152143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8309 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 15152143440 its reverse (4434125151), we get a palindrome (19586268591).

The spelling of 15152143440 in words is "fifteen billion, one hundred fifty-two million, one hundred forty-three thousand, four hundred forty".