42440622240 has 96 divisors (see below), whose sum is σ = 140724198720. Its totient is φ = 10721839104.

The previous prime is 42440622233. The next prime is 42440622271. The reversal of 42440622240 is 4222604424.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×42440622240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42440622198 and 42440622207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2317669 + ... + 2335908.

It is an arithmetic number, because the mean of its divisors is an integer number (1465877070).

Almost surely, 2^42440622240 is an apocalyptic number.

42440622240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42440622240 is an abundant number, since it is smaller than the sum of its proper divisors (98283576480).

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

42440622240 is a wasteful number, since it uses less digits than its factorization.

42440622240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653614 (or 4653606 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The spelling of 42440622240 in words is "forty-two billion, four hundred forty million, six hundred twenty-two thousand, two hundred forty".