4455787859440 has 40 divisors (see below), whose sum is σ = 10693890868608. Its totient is φ = 1724821105920.

The previous prime is 4455787859399. The next prime is 4455787859449. The reversal of 4455787859440 is 449587875544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4455787859440² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4455787859440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455787859449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898341847 + ... + 898346806.

Almost surely, 2^{4455787859440} is an apocalyptic number.

4455787859440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4455787859440 is an abundant number, since it is smaller than the sum of its proper divisors (6238103009168).

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

4455787859440 is a wasteful number, since it uses less digits than its factorization.

4455787859440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796688697 (or 1796688691 counting only the distinct ones).

The product of its (nonzero) digits is 903168000, while the sum is 70.

The spelling of 4455787859440 in words is "four trillion, four hundred fifty-five billion, seven hundred eighty-seven million, eight hundred fifty-nine thousand, four hundred forty".