4015345232240 has 80 divisors (see below), whose sum is σ = 9554938275168. Its totient is φ = 1568432667648.

The previous prime is 4015345232233. The next prime is 4015345232251. The reversal of 4015345232240 is 422325435104.

It is a happy number.

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

It is a super-2 number, since 2×4015345232240² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4015345232240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15409274 + ... + 15667686.

Almost surely, 2^{4015345232240} is an apocalyptic number.

4015345232240 is a gapful number since it is divisible by the number (40) 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 4015345232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4777469137584).

4015345232240 is an abundant number, since it is smaller than the sum of its proper divisors (5539593042928).

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

4015345232240 is a wasteful number, since it uses less digits than its factorization.

4015345232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262986 (or 262980 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 4015345232240 in words is "four trillion, fifteen billion, three hundred forty-five million, two hundred thirty-two thousand, two hundred forty".