1626232031442 has 96 divisors (see below), whose sum is σ = 3664795829760. Its totient is φ = 520742217600.

The previous prime is 1626232031419. The next prime is 1626232031551. The reversal of 1626232031442 is 2441302326261.

1626232031442 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 2 + 3 + 203 + 1 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1626232031397 and 1626232031406.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24114823 + ... + 24182165.

It is an arithmetic number, because the mean of its divisors is an integer number (38174956560).

Almost surely, 2^{1626232031442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1626232031442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832397914880).

1626232031442 is an abundant number, since it is smaller than the sum of its proper divisors (2038563798318).

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

1626232031442 is a wasteful number, since it uses less digits than its factorization.

1626232031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67848 (or 67845 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 1626232031442 in words is "one trillion, six hundred twenty-six billion, two hundred thirty-two million, thirty-one thousand, four hundred forty-two".