42444040400008 has 64 divisors (see below), whose sum is σ = 91626769503360. Its totient is φ = 18258227905536.

The previous prime is 42444040399949. The next prime is 42444040400051. The reversal of 42444040400008 is 80000404044424.

It is a super-2 number, since 2×42444040400008² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 116355810 + ... + 116720017.

It is an arithmetic number, because the mean of its divisors is an integer number (1431668273490).

Almost surely, 2^{42444040400008} is an apocalyptic number.

It is an amenable number.

42444040400008 is an abundant number, since it is smaller than the sum of its proper divisors (49182729103352).

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

42444040400008 is a wasteful number, since it uses less digits than its factorization.

42444040400008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233075966 (or 233075962 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

The spelling of 42444040400008 in words is "forty-two trillion, four hundred forty-four billion, forty million, four hundred thousand, eight".