15477983040 has 224 divisors, whose sum is σ = 53441047296. Its totient is φ = 3772661760.

The previous prime is 15477983039. The next prime is 15477983063. The reversal of 15477983040 is 4038977451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1279420 + ... + 1291460.

It is an arithmetic number, because the mean of its divisors is an integer number (238576104).

Almost surely, 2^15477983040 is an apocalyptic number.

15477983040 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 15477983040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26720523648).

15477983040 is an abundant number, since it is smaller than the sum of its proper divisors (37963064256).

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

15477983040 is a wasteful number, since it uses less digits than its factorization.

15477983040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12177 (or 12167 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 15477983040 in words is "fifteen billion, four hundred seventy-seven million, nine hundred eighty-three thousand, forty".