2740426431 has 4 divisors (see below), whose sum is σ = 3653901912. Its totient is φ = 1826950952.

The previous prime is 2740426399. The next prime is 2740426439. The reversal of 2740426431 is 1346240472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2740426431 - 2⁵ = 2740426399 is a prime.

It is a super-2 number, since 2×2740426431² = 15019874047446795522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2740426392 and 2740426401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740426439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456737736 + ... + 456737741.

It is an arithmetic number, because the mean of its divisors is an integer number (913475478).

Almost surely, 2^2740426431 is an apocalyptic number.

2740426431 is a deficient number, since it is larger than the sum of its proper divisors (913475481).

2740426431 is an equidigital number, since it uses as much as digits as its factorization.

2740426431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913475480.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 2740426431 is about 52349.0824274886. The cubic root of 2740426431 is about 1399.3919861506.

It can be divided in two parts, 27404 and 26431, that added together give a palindrome (53835).

The spelling of 2740426431 in words is "two billion, seven hundred forty million, four hundred twenty-six thousand, four hundred thirty-one".