1422617696640 has 2560 divisors, whose sum is σ = 6531173130240. Its totient is φ = 287609978880.

The previous prime is 1422617696603. The next prime is 1422617696653. The reversal of 1422617696640 is 466967162241.

1422617696640 is a `hidden beast` number, since 1 + 422 + 6 + 1 + 76 + 96 + 64 + 0 = 666.

It is a super-2 number, since 2×1422617696640² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 8223223594 + ... + 8223223766.

It is an arithmetic number, because the mean of its divisors is an integer number (2551239504).

Almost surely, 2^{1422617696640} is an apocalyptic number.

1422617696640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422617696640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265586565120).

1422617696640 is an abundant number, since it is smaller than the sum of its proper divisors (5108555433600).

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

1422617696640 is a wasteful number, since it uses less digits than its factorization.

1422617696640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 1422617696640 in words is "one trillion, four hundred twenty-two billion, six hundred seventeen million, six hundred ninety-six thousand, six hundred forty".