3620121582840 has 64 divisors (see below), whose sum is σ = 12411845429760. Its totient is φ = 827456361600.

The previous prime is 3620121582839. The next prime is 3620121582863. The reversal of 3620121582840 is 482851210263.

3620121582840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 3620121582792 and 3620121582801.

It is a congruent 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, 2154833436 + ... + 2154835115.

It is an arithmetic number, because the mean of its divisors is an integer number (193935084840).

Almost surely, 2^{3620121582840} is an apocalyptic number.

3620121582840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3620121582840 is an abundant number, since it is smaller than the sum of its proper divisors (8791723846920).

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

3620121582840 is a wasteful number, since it uses less digits than its factorization.

3620121582840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309668572 (or 4309668568 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 3620121582840 in words is "three trillion, six hundred twenty billion, one hundred twenty-one million, five hundred eighty-two thousand, eight hundred forty".