100442734440 has 32 divisors (see below), whose sum is σ = 301328203680. Its totient is φ = 26784729152.

The previous prime is 100442734429. The next prime is 100442734451. The reversal of 100442734440 is 44437244001.

It is an interprime number because it is at equal distance from previous prime (100442734429) and next prime (100442734451).

It is a super-2 number, since 2×100442734440² (a number of 23 digits) contains 22 as substring.

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, 418511274 + ... + 418511513.

It is an arithmetic number, because the mean of its divisors is an integer number (9416506365).

Almost surely, 2^100442734440 is an apocalyptic number.

100442734440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100442734440 is an abundant number, since it is smaller than the sum of its proper divisors (200885469240).

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

100442734440 is a wasteful number, since it uses less digits than its factorization.

100442734440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837022801 (or 837022797 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

Adding to 100442734440 its reverse (44437244001), we get a palindrome (144879978441).

The spelling of 100442734440 in words is "one hundred billion, four hundred forty-two million, seven hundred thirty-four thousand, four hundred forty".