2885400945 has 48 divisors (see below), whose sum is σ = 5964371712. Its totient is φ = 1261687680.

The previous prime is 2885400893. The next prime is 2885400967. The reversal of 2885400945 is 5490045882.

It is not a de Polignac number, because 2885400945 - 2¹² = 2885396849 is a prime.

It is a super-2 number, since 2×2885400945² = 16651077226813786050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2885400945.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191886 + ... + 206375.

It is an arithmetic number, because the mean of its divisors is an integer number (124257744).

Almost surely, 2^2885400945 is an apocalyptic number.

It is an amenable number.

2885400945 is an abundant number, since it is smaller than the sum of its proper divisors (3078970767).

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

2885400945 is a wasteful number, since it uses less digits than its factorization.

2885400945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398302 (or 398299 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 2885400945 is about 53715.9282243172. The cubic root of 2885400945 is about 1423.6461453556.

The spelling of 2885400945 in words is "two billion, eight hundred eighty-five million, four hundred thousand, nine hundred forty-five".