1442108646 has 48 divisors (see below), whose sum is σ = 3412663488. Its totient is φ = 436484400.

The previous prime is 1442108611. The next prime is 1442108651. The reversal of 1442108646 is 6468012441.

It is a happy number.

1442108646 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 1 + 0 + 8 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1442108646.

It is a congruent number.

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, 183661 + ... + 191351.

It is an arithmetic number, because the mean of its divisors is an integer number (71097156).

Almost surely, 2^1442108646 is an apocalyptic number.

1442108646 is an abundant number, since it is smaller than the sum of its proper divisors (1970554842).

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

1442108646 is a wasteful number, since it uses less digits than its factorization.

1442108646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657 (or 8654 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1442108646 is about 37975.1056088064. The cubic root of 1442108646 is about 1129.7941635678.

The spelling of 1442108646 in words is "one billion, four hundred forty-two million, one hundred eight thousand, six hundred forty-six".