1509021472 has 48 divisors (see below), whose sum is σ = 3504840192. Its totient is φ = 625858560.

The previous prime is 1509021457. The next prime is 1509021497. The reversal of 1509021472 is 2741209051.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101713 + ... + 115600.

It is an arithmetic number, because the mean of its divisors is an integer number (73017504).

Almost surely, 2^1509021472 is an apocalyptic number.

It is an amenable number.

1509021472 is an abundant number, since it is smaller than the sum of its proper divisors (1995818720).

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

1509021472 is a wasteful number, since it uses less digits than its factorization.

1509021472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217361 (or 217353 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1509021472 is about 38846.1255725716. The cubic root of 1509021472 is about 1147.0045476857.

The spelling of 1509021472 in words is "one billion, five hundred nine million, twenty-one thousand, four hundred seventy-two".