1392424882638 has 16 divisors (see below), whose sum is σ = 2874683629056. Its totient is φ = 449169316920.

The previous prime is 1392424882627. The next prime is 1392424882649. The reversal of 1392424882638 is 8362884242931.

It is an interprime number because it is at equal distance from previous prime (1392424882627) and next prime (1392424882649).

It is a congruent number.

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, 3743077456 + ... + 3743077827.

It is an arithmetic number, because the mean of its divisors is an integer number (179667726816).

Almost surely, 2^{1392424882638} is an apocalyptic number.

1392424882638 is an abundant number, since it is smaller than the sum of its proper divisors (1482258746418).

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

1392424882638 is a wasteful number, since it uses less digits than its factorization.

1392424882638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486155319.

The product of its digits is 31850496, while the sum is 60.

The spelling of 1392424882638 in words is "one trillion, three hundred ninety-two billion, four hundred twenty-four million, eight hundred eighty-two thousand, six hundred thirty-eight".