15525473040 has 1280 divisors, whose sum is σ = 74566656000. Its totient is φ = 2876497920.

The previous prime is 15525473039. The next prime is 15525473099. The reversal of 15525473040 is 4037452551.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 15525472986 and 15525473004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 817130151 + ... + 817130169.

It is an arithmetic number, because the mean of its divisors is an integer number (58255200).

Almost surely, 2^15525473040 is an apocalyptic number.

15525473040 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 15525473040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37283328000).

15525473040 is an abundant number, since it is smaller than the sum of its proper divisors (59041182960).

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

15525473040 is a wasteful number, since it uses less digits than its factorization.

15525473040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 15525473040 in words is "fifteen billion, five hundred twenty-five million, four hundred seventy-three thousand, forty".