5464394773440 has 112 divisors (see below), whose sum is σ = 17355913614240. Its totient is φ = 1456629350400.

The previous prime is 5464394773427. The next prime is 5464394773553. The reversal of 5464394773440 is 443774934645.

It is a happy number.

It is a super-2 number, since 2×5464394773440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1523040 + ... + 3639840.

Almost surely, 2^{5464394773440} 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 5464394773440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8677956807120).

5464394773440 is an abundant number, since it is smaller than the sum of its proper divisors (11891518840800).

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

5464394773440 is a wasteful number, since it uses less digits than its factorization.

5464394773440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119510 (or 2119500 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 60.

The spelling of 5464394773440 in words is "five trillion, four hundred sixty-four billion, three hundred ninety-four million, seven hundred seventy-three thousand, four hundred forty".