2405215433240 has 64 divisors (see below), whose sum is σ = 5850524095200. Its totient is φ = 886816263168.

The previous prime is 2405215433239. The next prime is 2405215433249. The reversal of 2405215433240 is 423345125042.

It is a happy number.

It is a super-2 number, since 2×2405215433240² (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 2405215433240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405215433249) 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, 42738869 + ... + 42795108.

Almost surely, 2^{2405215433240} is an apocalyptic number.

2405215433240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405215433240 is an abundant number, since it is smaller than the sum of its proper divisors (3445308661960).

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

2405215433240 is a wasteful number, since it uses less digits than its factorization.

2405215433240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85534044 (or 85534040 counting only the distinct ones).

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

The spelling of 2405215433240 in words is "two trillion, four hundred five billion, two hundred fifteen million, four hundred thirty-three thousand, two hundred forty".