5150865859440 has 80 divisors (see below), whose sum is σ = 18248781907968. Its totient is φ = 1177340767488.

The previous prime is 5150865859421. The next prime is 5150865859453. The reversal of 5150865859440 is 449585680515.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×5150865859440² (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, 1532994112 + ... + 1532997471.

Almost surely, 2^{5150865859440} is an apocalyptic number.

It is an amenable number.

5150865859440 is an abundant number, since it is smaller than the sum of its proper divisors (13097916048528).

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

5150865859440 is a wasteful number, since it uses less digits than its factorization.

5150865859440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065991606 (or 3065991600 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 60.

The spelling of 5150865859440 in words is "five trillion, one hundred fifty billion, eight hundred sixty-five million, eight hundred fifty-nine thousand, four hundred forty".