2750405642 has 16 divisors (see below), whose sum is σ = 4306502592. Its totient is φ = 1314947040.

The previous prime is 2750405641. The next prime is 2750405681. The reversal of 2750405642 is 2465040572.

It is not an unprimeable number, because it can be changed into a prime (2750405641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146198 + ... + 163934.

It is an arithmetic number, because the mean of its divisors is an integer number (269156412).

Almost surely, 2^2750405642 is an apocalyptic number.

2750405642 is a deficient number, since it is larger than the sum of its proper divisors (1556096950).

2750405642 is a wasteful number, since it uses less digits than its factorization.

2750405642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 2750405642 is about 52444.3099106090. The cubic root of 2750405642 is about 1401.0885482947.

The spelling of 2750405642 in words is "two billion, seven hundred fifty million, four hundred five thousand, six hundred forty-two".