15025435040 has 192 divisors, whose sum is σ = 46860726528. Its totient is φ = 4407705600.

The previous prime is 15025435039. The next prime is 15025435081. The reversal of 15025435040 is 4053452051.

It is a junction number, because it is equal to n+sod(n) for n = 15025434994 and 15025435012.

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, 173570 + ... + 245310.

It is an arithmetic number, because the mean of its divisors is an integer number (244066284).

Almost surely, 2^15025435040 is an apocalyptic number.

15025435040 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 15025435040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23430363264).

15025435040 is an abundant number, since it is smaller than the sum of its proper divisors (31835291488).

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

15025435040 is a wasteful number, since it uses less digits than its factorization.

15025435040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71791 (or 71783 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 15025435040 its reverse (4053452051), we get a palindrome (19078887091).

The spelling of 15025435040 in words is "fifteen billion, twenty-five million, four hundred thirty-five thousand, forty".