2080642542 has 32 divisors (see below), whose sum is σ = 4544135424. Its totient is φ = 629865600.

The previous prime is 2080642523. The next prime is 2080642579. The reversal of 2080642542 is 2452460802.

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

It is a congruent number.

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, 52758 + ... + 83334.

It is an arithmetic number, because the mean of its divisors is an integer number (142004232).

Almost surely, 2^2080642542 is an apocalyptic number.

2080642542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2080642542 is an abundant number, since it is smaller than the sum of its proper divisors (2463492882).

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

2080642542 is a wasteful number, since it uses less digits than its factorization.

2080642542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31624.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 2080642542 is about 45614.0607926986. The cubic root of 2080642542 is about 1276.6322894150.

The spelling of 2080642542 in words is "two billion, eighty million, six hundred forty-two thousand, five hundred forty-two".