6246405544 has 16 divisors (see below), whose sum is σ = 11731572000. Its totient is φ = 3117986352.

The previous prime is 6246405479. The next prime is 6246405559. The reversal of 6246405544 is 4455046426.

It is a happy number.

It is a super-2 number, since 2×6246405544² = 78035164440227871872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6246405497 and 6246405506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646962 + ... + 656545.

It is an arithmetic number, because the mean of its divisors is an integer number (733223250).

Almost surely, 2^6246405544 is an apocalyptic number.

It is an amenable number.

6246405544 is a deficient number, since it is larger than the sum of its proper divisors (5485166456).

6246405544 is a wasteful number, since it uses less digits than its factorization.

6246405544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304112 (or 1304108 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The square root of 6246405544 is about 79034.2048988917. The cubic root of 6246405544 is about 1841.6625592268.

The spelling of 6246405544 in words is "six billion, two hundred forty-six million, four hundred five thousand, five hundred forty-four".