15462472740 has 384 divisors, whose sum is σ = 54209046528. Its totient is φ = 3235307520.

The previous prime is 15462472693. The next prime is 15462472747. The reversal of 15462472740 is 4727426451.

It is a junction number, because it is equal to n+sod(n) for n = 15462472692 and 15462472701.

It is not an unprimeable number, because it can be changed into a prime (15462472747) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33109987 + ... + 33110453.

It is an arithmetic number, because the mean of its divisors is an integer number (141169392).

Almost surely, 2^15462472740 is an apocalyptic number.

15462472740 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 15462472740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27104523264).

15462472740 is an abundant number, since it is smaller than the sum of its proper divisors (38746573788).

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

15462472740 is a wasteful number, since it uses less digits than its factorization.

15462472740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 15462472740 in words is "fifteen billion, four hundred sixty-two million, four hundred seventy-two thousand, seven hundred forty".