890364559142 has 4 divisors (see below), whose sum is σ = 1335546838716. Its totient is φ = 445182279570.

The previous prime is 890364559141. The next prime is 890364559151. The reversal of 890364559142 is 241955463098.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×890364559142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890364559141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222591139784 + ... + 222591139787.

It is an arithmetic number, because the mean of its divisors is an integer number (333886709679).

Almost surely, 2^890364559142 is an apocalyptic number.

890364559142 is a deficient number, since it is larger than the sum of its proper divisors (445182279574).

890364559142 is a wasteful number, since it uses less digits than its factorization.

890364559142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445182279573.

The product of its (nonzero) digits is 9331200, while the sum is 56.

The spelling of 890364559142 in words is "eight hundred ninety billion, three hundred sixty-four million, five hundred fifty-nine thousand, one hundred forty-two".