2643470400 has 168 divisors, whose sum is σ = 8837273664. Its totient is φ = 691558400.

The previous prime is 2643470393. The next prime is 2643470443. The reversal of 2643470400 is 40743462.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249205 + ... + 259595.

Almost surely, 2^2643470400 is an apocalyptic number.

2643470400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2643470400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4418636832).

2643470400 is an abundant number, since it is smaller than the sum of its proper divisors (6193803264).

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

2643470400 is a wasteful number, since it uses less digits than its factorization.

2643470400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469 (or 10454 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 2643470400 is about 51414.6905076749. The cubic root of 2643470400 is about 1382.6899851941.

The spelling of 2643470400 in words is "two billion, six hundred forty-three million, four hundred seventy thousand, four hundred".