6406262546 has 16 divisors (see below), whose sum is σ = 9847049688. Its totient is φ = 3123964800.

The previous prime is 6406262543. The next prime is 6406262627. The reversal of 6406262546 is 6452626046.

It can be written as a sum of positive squares in 4 ways, for example, as 1257482521 + 5148780025 = 35461^2 + 71755^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (6406262543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272516 + ... + 295088.

Almost surely, 2^6406262546 is an apocalyptic number.

6406262546 is a deficient number, since it is larger than the sum of its proper divisors (3440787142).

6406262546 is a wasteful number, since it uses less digits than its factorization.

6406262546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26077.

The product of its (nonzero) digits is 414720, while the sum is 41.

The square root of 6406262546 is about 80039.1313421129. The cubic root of 6406262546 is about 1857.2409227669.

The spelling of 6406262546 in words is "six billion, four hundred six million, two hundred sixty-two thousand, five hundred forty-six".