2630651005440 has 320 divisors, whose sum is σ = 9386249241600. Its totient is φ = 698357071872.

The previous prime is 2630651005429. The next prime is 2630651005471. The reversal of 2630651005440 is 445001560362.

2630651005440 is a `hidden beast` number, since 2 + 6 + 3 + 0 + 6 + 5 + 100 + 544 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2630651005395 and 2630651005404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15328426 + ... + 15499094.

It is an arithmetic number, because the mean of its divisors is an integer number (29332028880).

Almost surely, 2^{2630651005440} is an apocalyptic number.

2630651005440 is a gapful number since it is divisible by the number (20) 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 2630651005440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4693124620800).

2630651005440 is an abundant number, since it is smaller than the sum of its proper divisors (6755598236160).

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

2630651005440 is a wasteful number, since it uses less digits than its factorization.

2630651005440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170924 (or 170902 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 2630651005440 in words is "two trillion, six hundred thirty billion, six hundred fifty-one million, five thousand, four hundred forty".