1342620001644 has 48 divisors (see below), whose sum is σ = 3277220536800. Its totient is φ = 427252435456.

The previous prime is 1342620001603. The next prime is 1342620001687. The reversal of 1342620001644 is 4461000262431.

It is a happy number.

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, 21643767 + ... + 21705710.

It is an arithmetic number, because the mean of its divisors is an integer number (68275427850).

Almost surely, 2^{1342620001644} is an apocalyptic number.

It is an amenable number.

1342620001644 is an abundant number, since it is smaller than the sum of its proper divisors (1934600535156).

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

1342620001644 is a wasteful number, since it uses less digits than its factorization.

1342620001644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43349602 (or 43349600 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 1342620001644 in words is "one trillion, three hundred forty-two billion, six hundred twenty million, one thousand, six hundred forty-four".