6406626450 has 48 divisors (see below), whose sum is σ = 18158212800. Its totient is φ = 1464371520.

The previous prime is 6406626449. The next prime is 6406626467. The reversal of 6406626450 is 546266046.

It is a junction number, because it is equal to n+sod(n) for n = 6406626399 and 6406626408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3049725 + ... + 3051824.

It is an arithmetic number, because the mean of its divisors is an integer number (378296100).

Almost surely, 2^6406626450 is an apocalyptic number.

6406626450 is an abundant number, since it is smaller than the sum of its proper divisors (11751586350).

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

6406626450 is a wasteful number, since it uses less digits than its factorization.

6406626450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101571 (or 6101566 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 6406626450 is about 80041.4045978705. The cubic root of 6406626450 is about 1857.2760885962.

The spelling of 6406626450 in words is "six billion, four hundred six million, six hundred twenty-six thousand, four hundred fifty".