1572140064 has 96 divisors (see below), whose sum is σ = 4623829056. Its totient is φ = 463518720.

The previous prime is 1572140051. The next prime is 1572140099. The reversal of 1572140064 is 4600412751.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18954 + ... + 59190.

It is an arithmetic number, because the mean of its divisors is an integer number (48164886).

Almost surely, 2^1572140064 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 1572140064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2311914528).

1572140064 is an abundant number, since it is smaller than the sum of its proper divisors (3051688992).

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

1572140064 is a wasteful number, since it uses less digits than its factorization.

1572140064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40298 (or 40290 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1572140064 is about 39650.2214874016. The cubic root of 1572140064 is about 1162.7787287712.

The spelling of 1572140064 in words is "one billion, five hundred seventy-two million, one hundred forty thousand, sixty-four".