1406480643 has 24 divisors (see below), whose sum is σ = 2149754880. Its totient is φ = 883632240.

The previous prime is 1406480639. The next prime is 1406480671. The reversal of 1406480643 is 3460846041.

1406480643 is a `hidden beast` number, since 1 + 4 + 0 + 6 + 4 + 8 + 0 + 643 = 666.

It is not a de Polignac number, because 1406480643 - 2² = 1406480639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1406480598 and 1406480607.

It is not an unprimeable number, because it can be changed into a prime (1406480623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11130 + ... + 54192.

It is an arithmetic number, because the mean of its divisors is an integer number (89573120).

Almost surely, 2^1406480643 is an apocalyptic number.

1406480643 is a deficient number, since it is larger than the sum of its proper divisors (743274237).

1406480643 is a wasteful number, since it uses less digits than its factorization.

1406480643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43279 (or 43276 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 1406480643 is about 37503.0751139157. The cubic root of 1406480643 is about 1120.4124339360.

The spelling of 1406480643 in words is "one billion, four hundred six million, four hundred eighty thousand, six hundred forty-three".