2126701940 has 96 divisors (see below), whose sum is σ = 4974649344. Its totient is φ = 757215360.

The previous prime is 2126701931. The next prime is 2126701961. The reversal of 2126701940 is 491076212.

It is a happy number.

It is a super-2 number, since 2×2126701940² = 9045722283199527200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2126701897 and 2126701906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3286697 + ... + 3287343.

It is an arithmetic number, because the mean of its divisors is an integer number (51819264).

Almost surely, 2^2126701940 is an apocalyptic number.

2126701940 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 2126701940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2487324672).

2126701940 is an abundant number, since it is smaller than the sum of its proper divisors (2847947404).

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

2126701940 is a wasteful number, since it uses less digits than its factorization.

2126701940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2126701940 is about 46116.1787228734. The cubic root of 2126701940 is about 1285.9839325213.

The spelling of 2126701940 in words is "two billion, one hundred twenty-six million, seven hundred one thousand, nine hundred forty".