2640030477 has 24 divisors (see below), whose sum is σ = 4102719552. Its totient is φ = 1505649600.

The previous prime is 2640030443. The next prime is 2640030511. The reversal of 2640030477 is 7740300462.

It is an interprime number because it is at equal distance from previous prime (2640030443) and next prime (2640030511).

It is not a de Polignac number, because 2640030477 - 2¹⁰ = 2640029453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640030977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59352 + ... + 93822.

It is an arithmetic number, because the mean of its divisors is an integer number (170946648).

Almost surely, 2^2640030477 is an apocalyptic number.

It is an amenable number.

2640030477 is a deficient number, since it is larger than the sum of its proper divisors (1462689075).

2640030477 is a wasteful number, since it uses less digits than its factorization.

2640030477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35009 (or 35002 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 2640030477 is about 51381.2268927086. The cubic root of 2640030477 is about 1382.0899643901.

The spelling of 2640030477 in words is "two billion, six hundred forty million, thirty thousand, four hundred seventy-seven".