1622938352490 has 256 divisors, whose sum is σ = 5330557209600. Its totient is φ = 342165648384.

The previous prime is 1622938352489. The next prime is 1622938352507. The reversal of 1622938352490 is 942538392261.

1622938352490 is a `hidden beast` number, since 1 + 6 + 2 + 29 + 3 + 8 + 3 + 524 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33710556 + ... + 33758664.

It is an arithmetic number, because the mean of its divisors is an integer number (20822489100).

Almost surely, 2^{1622938352490} is an apocalyptic number.

1622938352490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1622938352490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2665278604800).

1622938352490 is an abundant number, since it is smaller than the sum of its proper divisors (3707618857110).

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

1622938352490 is a wasteful number, since it uses less digits than its factorization.

1622938352490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49518 (or 49512 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 1622938352490 in words is "one trillion, six hundred twenty-two billion, nine hundred thirty-eight million, three hundred fifty-two thousand, four hundred ninety".