2061440726 has 16 divisors (see below), whose sum is σ = 3168862224. Its totient is φ = 1005225984.

The previous prime is 2061440713. The next prime is 2061440737. The reversal of 2061440726 is 6270441602.

It is a super-2 number, since 2×2061440726² = 8499075733622814152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2061440692 and 2061440701.

It is a congruent number.

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, 40070 + ... + 75686.

It is an arithmetic number, because the mean of its divisors is an integer number (198053889).

Almost surely, 2^2061440726 is an apocalyptic number.

2061440726 is a deficient number, since it is larger than the sum of its proper divisors (1107421498).

2061440726 is a wasteful number, since it uses less digits than its factorization.

2061440726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36335.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2061440726 is about 45403.0915907717. The cubic root of 2061440726 is about 1272.6928881103.

The spelling of 2061440726 in words is "two billion, sixty-one million, four hundred forty thousand, seven hundred twenty-six".