5101494485640 has 768 divisors, whose sum is σ = 19114114060800. Its totient is φ = 1082183122944.

The previous prime is 5101494485597. The next prime is 5101494485671. The reversal of 5101494485640 is 465844941015.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5275588437 + ... + 5275589403.

It is an arithmetic number, because the mean of its divisors is an integer number (24888169350).

Almost surely, 2^{5101494485640} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5101494485640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9557057030400).

5101494485640 is an abundant number, since it is smaller than the sum of its proper divisors (14012619575160).

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

5101494485640 is a wasteful number, since it uses less digits than its factorization.

5101494485640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 5101494485640 in words is "five trillion, one hundred one billion, four hundred ninety-four million, four hundred eighty-five thousand, six hundred forty".