1509540232002 has 32 divisors (see below), whose sum is σ = 3293877000960. Its totient is φ = 457389951120.

The previous prime is 1509540231973. The next prime is 1509540232003. The reversal of 1509540232002 is 2002320459051.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1509540232003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504852 + ... + 1809407.

It is an arithmetic number, because the mean of its divisors is an integer number (102933656280).

Almost surely, 2^{1509540232002} is an apocalyptic number.

1509540232002 is an abundant number, since it is smaller than the sum of its proper divisors (1784336768958).

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

1509540232002 is a wasteful number, since it uses less digits than its factorization.

1509540232002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324158.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 1509540232002 in words is "one trillion, five hundred nine billion, five hundred forty million, two hundred thirty-two thousand, two".