84611052240 has 320 divisors, whose sum is σ = 326278616832. Its totient is φ = 17820057600.

The previous prime is 84611052209. The next prime is 84611052259. The reversal of 84611052240 is 4225011648.

It is a happy number.

It is a super-2 number, since 2×84611052240² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 510930 + ... + 655950.

Almost surely, 2^84611052240 is an apocalyptic number.

84611052240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84611052240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163139308416).

84611052240 is an abundant number, since it is smaller than the sum of its proper divisors (241667564592).

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

84611052240 is a wasteful number, since it uses less digits than its factorization.

84611052240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145078 (or 145072 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

Adding to 84611052240 its reverse (4225011648), we get a palindrome (88836063888).

The spelling of 84611052240 in words is "eighty-four billion, six hundred eleven million, fifty-two thousand, two hundred forty".