15250214040 has 128 divisors (see below), whose sum is σ = 46924254720. Its totient is φ = 3962649600.

The previous prime is 15250214003. The next prime is 15250214041. The reversal of 15250214040 is 4041205251.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 15250214040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15250214041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5759997 + ... + 5762643.

It is an arithmetic number, because the mean of its divisors is an integer number (366595740).

Almost surely, 2^15250214040 is an apocalyptic number.

15250214040 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 15250214040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23462127360).

15250214040 is an abundant number, since it is smaller than the sum of its proper divisors (31674040680).

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

15250214040 is a wasteful number, since it uses less digits than its factorization.

15250214040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873 (or 3869 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 15250214040 its reverse (4041205251), we get a palindrome (19291419291).

The spelling of 15250214040 in words is "fifteen billion, two hundred fifty million, two hundred fourteen thousand, forty".