1439142373998 has 24 divisors (see below), whose sum is σ = 3563590640688. Its totient is φ = 411183535392.

The previous prime is 1439142373939. The next prime is 1439142374023. The reversal of 1439142373998 is 8993732419341.

1439142373998 is a `hidden beast` number, since 1 + 4 + 3 + 9 + 1 + 4 + 237 + 399 + 8 = 666.

It is a super-2 number, since 2×1439142373998² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5710882311 + ... + 5710882562.

It is an arithmetic number, because the mean of its divisors is an integer number (148482943362).

Almost surely, 2^{1439142373998} is an apocalyptic number.

1439142373998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1439142373998 is an abundant number, since it is smaller than the sum of its proper divisors (2124448266690).

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

1439142373998 is a wasteful number, since it uses less digits than its factorization.

1439142373998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11421764888 (or 11421764885 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The spelling of 1439142373998 in words is "one trillion, four hundred thirty-nine billion, one hundred forty-two million, three hundred seventy-three thousand, nine hundred ninety-eight".