2645445462 has 32 divisors (see below), whose sum is σ = 5927883264. Its totient is φ = 779983200.

The previous prime is 2645445461. The next prime is 2645445469.

2645445462 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645445461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539214 + ... + 544097.

It is an arithmetic number, because the mean of its divisors is an integer number (185246352).

Almost surely, 2^2645445462 is an apocalyptic number.

2645445462 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2645445462 is an abundant number, since it is smaller than the sum of its proper divisors (3282437802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645445462 is a wasteful number, since it uses less digits than its factorization.

2645445462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083364.

The product of its digits is 921600, while the sum is 42.

The square root of 2645445462 is about 51433.8940971807. The cubic root of 2645445462 is about 1383.0342572038.

The spelling of 2645445462 in words is "two billion, six hundred forty-five million, four hundred forty-five thousand, four hundred sixty-two".