2126747400 has 48 divisors (see below), whose sum is σ = 6592918800. Its totient is φ = 567132480.

The previous prime is 2126747369. The next prime is 2126747411. The reversal of 2126747400 is 47476212.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1771690 + ... + 1772889.

It is an arithmetic number, because the mean of its divisors is an integer number (137352475).

Almost surely, 2^2126747400 is an apocalyptic number.

2126747400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126747400 is an abundant number, since it is smaller than the sum of its proper divisors (4466171400).

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

2126747400 is a wasteful number, since it uses less digits than its factorization.

2126747400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544598 (or 3544589 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 2126747400 is about 46116.6716058304. The cubic root of 2126747400 is about 1285.9930954435.

The spelling of 2126747400 in words is "two billion, one hundred twenty-six million, seven hundred forty-seven thousand, four hundred".