2045430402 has 16 divisors (see below), whose sum is σ = 4127064480. Its totient is φ = 675776192.

The previous prime is 2045430391. The next prime is 2045430419. The reversal of 2045430402 is 2040345402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1507752 + ... + 1509107.

It is an arithmetic number, because the mean of its divisors is an integer number (257941530).

Almost surely, 2^2045430402 is an apocalyptic number.

2045430402 is an abundant number, since it is smaller than the sum of its proper divisors (2081634078).

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

2045430402 is a wasteful number, since it uses less digits than its factorization.

2045430402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016977.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2045430402 is about 45226.4347699440. The cubic root of 2045430402 is about 1269.3895017690.

Adding to 2045430402 its reverse (2040345402), we get a palindrome (4085775804).

The spelling of 2045430402 in words is "two billion, forty-five million, four hundred thirty thousand, four hundred two".