2620021466442 has 32 divisors (see below), whose sum is σ = 5270542629120. Its totient is φ = 868257609920.

The previous prime is 2620021466417. The next prime is 2620021466459. The reversal of 2620021466442 is 2446641200262.

It is a self number, because there is not a number n which added to its sum of digits gives 2620021466442.

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, 48251284 + ... + 48305552.

It is an arithmetic number, because the mean of its divisors is an integer number (164704457160).

Almost surely, 2^{2620021466442} is an apocalyptic number.

2620021466442 is an abundant number, since it is smaller than the sum of its proper divisors (2650521162678).

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

2620021466442 is a wasteful number, since it uses less digits than its factorization.

2620021466442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100958.

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 2620021466442 in words is "two trillion, six hundred twenty billion, twenty-one million, four hundred sixty-six thousand, four hundred forty-two".