4003432420440 has 64 divisors (see below), whose sum is σ = 12011590517760. Its totient is φ = 1067467022720.

The previous prime is 4003432420423. The next prime is 4003432420489. The reversal of 4003432420440 is 440242343004.

It is a super-2 number, since 2×4003432420440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4003432420398 and 4003432420407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674214 + ... + 2908853.

It is an arithmetic number, because the mean of its divisors is an integer number (187681101840).

Almost surely, 2^{4003432420440} is an apocalyptic number.

4003432420440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4003432420440 is an abundant number, since it is smaller than the sum of its proper divisors (8008158097320).

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

4003432420440 is a wasteful number, since it uses less digits than its factorization.

4003432420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592392 (or 3592388 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 4003432420440 its reverse (440242343004), we get a palindrome (4443674763444).

The spelling of 4003432420440 in words is "four trillion, three billion, four hundred thirty-two million, four hundred twenty thousand, four hundred forty".