1506566043240 has 64 divisors (see below), whose sum is σ = 4519889942400. Its totient is φ = 401733894912.

The previous prime is 1506566043193. The next prime is 1506566043247. The reversal of 1506566043240 is 423406656051.

It is a junction number, because it is equal to n+sod(n) for n = 1506566043192 and 1506566043201.

It is not an unprimeable number, because it can be changed into a prime (1506566043247) 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, 2711029 + ... + 3219131.

It is an arithmetic number, because the mean of its divisors is an integer number (70623280350).

Almost surely, 2^{1506566043240} is an apocalyptic number.

1506566043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1506566043240 is an abundant number, since it is smaller than the sum of its proper divisors (3013323899160).

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

1506566043240 is a wasteful number, since it uses less digits than its factorization.

1506566043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532826 (or 532822 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1506566043240 in words is "one trillion, five hundred six billion, five hundred sixty-six million, forty-three thousand, two hundred forty".