2642140245 has 64 divisors (see below), whose sum is σ = 4421910528. Its totient is φ = 1346112000.

The previous prime is 2642140213. The next prime is 2642140273. The reversal of 2642140245 is 5420412462.

It is not a de Polignac number, because 2642140245 - 2⁵ = 2642140213 is a prime.

It is a super-3 number, since 3×2642140245³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9749460 + ... + 9749730.

It is an arithmetic number, because the mean of its divisors is an integer number (69092352).

Almost surely, 2^2642140245 is an apocalyptic number.

It is an amenable number.

2642140245 is a deficient number, since it is larger than the sum of its proper divisors (1779770283).

2642140245 is a wasteful number, since it uses less digits than its factorization.

2642140245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 2642140245 is about 51401.7533261269. The cubic root of 2642140245 is about 1382.4580299371.

It can be divided in two parts, 26421 and 40245, that added together give a palindrome (66666).

The spelling of 2642140245 in words is "two billion, six hundred forty-two million, one hundred forty thousand, two hundred forty-five".