15464061044432 has 240 divisors, whose sum is σ = 40743050611200. Its totient is φ = 5532672245760.

The previous prime is 15464061044429. The next prime is 15464061044449. The reversal of 15464061044432 is 23444016046451.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33774569 + ... + 34229367.

It is an arithmetic number, because the mean of its divisors is an integer number (169762710880).

Almost surely, 2^{15464061044432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15464061044432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20371525305600).

15464061044432 is an abundant number, since it is smaller than the sum of its proper divisors (25278989566768).

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

15464061044432 is a wasteful number, since it uses less digits than its factorization.

15464061044432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455042 (or 455025 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 15464061044432 in words is "fifteen trillion, four hundred sixty-four billion, sixty-one million, forty-four thousand, four hundred thirty-two".