84462743440 has 40 divisors (see below), whose sum is σ = 197100563328. Its totient is φ = 33660420480.

The previous prime is 84462743419. The next prime is 84462743447. The reversal of 84462743440 is 4434726448.

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

It is a super-2 number, since 2×84462743440² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84462743447) 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, 1926262 + ... + 1969621.

Almost surely, 2^84462743440 is an apocalyptic number.

84462743440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84462743440 is an abundant number, since it is smaller than the sum of its proper divisors (112637819888).

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

84462743440 is a wasteful number, since it uses less digits than its factorization.

84462743440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896167 (or 3896161 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 46.

The spelling of 84462743440 in words is "eighty-four billion, four hundred sixty-two million, seven hundred forty-three thousand, four hundred forty".