1406551042 has 16 divisors (see below), whose sum is σ = 2292970680. Its totient is φ = 643220352.

The previous prime is 1406551007. The next prime is 1406551051. The reversal of 1406551042 is 2401556041.

It can be written as a sum of positive squares in 4 ways, for example, as 643078881 + 763472161 = 25359^2 + 27631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1406551042.

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, 245323 + ... + 250990.

Almost surely, 2^1406551042 is an apocalyptic number.

1406551042 is a deficient number, since it is larger than the sum of its proper divisors (886419638).

1406551042 is a wasteful number, since it uses less digits than its factorization.

1406551042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496437.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1406551042 is about 37504.0136785385. The cubic root of 1406551042 is about 1120.4311270713.

The spelling of 1406551042 in words is "one billion, four hundred six million, five hundred fifty-one thousand, forty-two".