5640145026 has 16 divisors (see below), whose sum is σ = 11312616000. Its totient is φ = 1874660688.

The previous prime is 5640145019. The next prime is 5640145051. The reversal of 5640145026 is 6205410465.

It is a super-2 number, since 2×5640145026² = 63622471828625081352, which contains 22 as substring.

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, 1344646 + ... + 1348833.

It is an arithmetic number, because the mean of its divisors is an integer number (707038500).

Almost surely, 2^5640145026 is an apocalyptic number.

5640145026 is an abundant number, since it is smaller than the sum of its proper divisors (5672470974).

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

5640145026 is a wasteful number, since it uses less digits than its factorization.

5640145026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693833.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 5640145026 is about 75100.8989693199. The cubic root of 5640145026 is about 1780.0413475645.

The spelling of 5640145026 in words is "five billion, six hundred forty million, one hundred forty-five thousand, twenty-six".