2621232226340 has 144 divisors (see below), whose sum is σ = 7170634638720. Its totient is φ = 785914721280.

The previous prime is 2621232226313. The next prime is 2621232226369. The reversal of 2621232226340 is 436222321262.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2621232226340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2465921 + ... + 3365000.

It is an arithmetic number, because the mean of its divisors is an integer number (49796073880).

Almost surely, 2^{2621232226340} is an apocalyptic number.

2621232226340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2621232226340 is an abundant number, since it is smaller than the sum of its proper divisors (4549402412380).

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

2621232226340 is a wasteful number, since it uses less digits than its factorization.

2621232226340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830982 (or 5830967 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 2621232226340 in words is "two trillion, six hundred twenty-one billion, two hundred thirty-two million, two hundred twenty-six thousand, three hundred forty".