612022465440 has 96 divisors (see below), whose sum is σ = 2142078644160. Its totient is φ = 163205989632.

The previous prime is 612022465429. The next prime is 612022465447. The reversal of 612022465440 is 44564220216.

612022465440 is a `hidden beast` number, since 6 + 1 + 202 + 2 + 4 + 6 + 5 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 612022465395 and 612022465404.

It is not an unprimeable number, because it can be changed into a prime (612022465447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70831614 + ... + 70840253.

It is an arithmetic number, because the mean of its divisors is an integer number (22313319210).

Almost surely, 2^612022465440 is an apocalyptic number.

612022465440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612022465440 is an abundant number, since it is smaller than the sum of its proper divisors (1530056178720).

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

612022465440 is a wasteful number, since it uses less digits than its factorization.

612022465440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141671891 (or 141671877 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 612022465440 its reverse (44564220216), we get a palindrome (656586685656).

The spelling of 612022465440 in words is "six hundred twelve billion, twenty-two million, four hundred sixty-five thousand, four hundred forty".