2159940546 has 32 divisors (see below), whose sum is σ = 4801399680. Its totient is φ = 719750448.

The previous prime is 2159940509. The next prime is 2159940583. The reversal of 2159940546 is 6450499512.

2159940546 is a `hidden beast` number, since 2 + 1 + 599 + 4 + 0 + 54 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2159940509) and next prime (2159940583).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294840 + ... + 302076.

It is an arithmetic number, because the mean of its divisors is an integer number (150043740).

Almost surely, 2^2159940546 is an apocalyptic number.

2159940546 is an abundant number, since it is smaller than the sum of its proper divisors (2641459134).

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

2159940546 is a wasteful number, since it uses less digits than its factorization.

2159940546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775 (or 12769 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 2159940546 is about 46475.1605268879. The cubic root of 2159940546 is about 1292.6489537473.

The spelling of 2159940546 in words is "two billion, one hundred fifty-nine million, nine hundred forty thousand, five hundred forty-six".