2401403032440 has 96 divisors (see below), whose sum is σ = 7817418161280. Its totient is φ = 639319101696.

The previous prime is 2401403032403. The next prime is 2401403032471. The reversal of 2401403032440 is 442303041042.

It is a happy number.

2401403032440 is a `hidden beast` number, since 24 + 0 + 140 + 30 + 32 + 440 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5276179 + ... + 5713218.

It is an arithmetic number, because the mean of its divisors is an integer number (81431439180).

Almost surely, 2^{2401403032440} is an apocalyptic number.

2401403032440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2401403032440 is an abundant number, since it is smaller than the sum of its proper divisors (5416015128840).

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

2401403032440 is a wasteful number, since it uses less digits than its factorization.

2401403032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990021 (or 10990014 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2401403032440 its reverse (442303041042), we get a palindrome (2843706073482).

The spelling of 2401403032440 in words is "two trillion, four hundred one billion, four hundred three million, thirty-two thousand, four hundred forty".