2620000042 has 16 divisors (see below), whose sum is σ = 4288572864. Its totient is φ = 1190548000.

The previous prime is 2620000037. The next prime is 2620000043. The reversal of 2620000042 is 2400000262.

It is a junction number, because it is equal to n+sod(n) for n = 2619999980 and 2620000025.

It is not an unprimeable number, because it can be changed into a prime (2620000043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64542 + ... + 96982.

It is an arithmetic number, because the mean of its divisors is an integer number (268035804).

Almost surely, 2^2620000042 is an apocalyptic number.

2620000042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2620000042 is a deficient number, since it is larger than the sum of its proper divisors (1668572822).

2620000042 is a wasteful number, since it uses less digits than its factorization.

2620000042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36125.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2620000042 is about 51185.9359785479. The cubic root of 2620000042 is about 1378.5856899284.

The spelling of 2620000042 in words is "two billion, six hundred twenty million, forty-two", and thus it is an aban number.