2650001394264 has 256 divisors, whose sum is σ = 7862436495360. Its totient is φ = 728348544000.

The previous prime is 2650001394263. The next prime is 2650001394289. The reversal of 2650001394264 is 4624931000562.

It is a super-2 number, since 2×2650001394264² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2650001394263) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 677574469 + ... + 677578379.

It is an arithmetic number, because the mean of its divisors is an integer number (30712642560).

Almost surely, 2^{2650001394264} is an apocalyptic number.

2650001394264 is a gapful number since it is divisible by the number (24) 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 2650001394264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931218247680).

2650001394264 is an abundant number, since it is smaller than the sum of its proper divisors (5212435101096).

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

2650001394264 is a wasteful number, since it uses less digits than its factorization.

2650001394264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4702 (or 4698 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 2650001394264 in words is "two trillion, six hundred fifty billion, one million, three hundred ninety-four thousand, two hundred sixty-four".