1402564553940 has 192 divisors, whose sum is σ = 4447083368448. Its totient is φ = 327325401600.

The previous prime is 1402564553911. The next prime is 1402564553963. The reversal of 1402564553940 is 493554652041.

It is a super-2 number, since 2×1402564553940² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1402564553940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1521607 + ... + 2262833.

It is an arithmetic number, because the mean of its divisors is an integer number (23161892544).

Almost surely, 2^{1402564553940} is an apocalyptic number.

1402564553940 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 1402564553940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223541684224).

1402564553940 is an abundant number, since it is smaller than the sum of its proper divisors (3044518814508).

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

1402564553940 is a wasteful number, since it uses less digits than its factorization.

1402564553940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741358 (or 741356 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 1402564553940 in words is "one trillion, four hundred two billion, five hundred sixty-four million, five hundred fifty-three thousand, nine hundred forty".