3401440440 has 64 divisors (see below), whose sum is σ = 10242352800. Its totient is φ = 903670272.

The previous prime is 3401440423. The next prime is 3401440457. The reversal of 3401440440 is 440441043.

It is an interprime number because it is at equal distance from previous prime (3401440423) and next prime (3401440457).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3401440440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20407 + ... + 84966.

Almost surely, 2^3401440440 is an apocalyptic number.

3401440440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3401440440 is an abundant number, since it is smaller than the sum of its proper divisors (6840912360).

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

3401440440 is a wasteful number, since it uses less digits than its factorization.

3401440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105656 (or 105652 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 3401440440 is about 58321.8693116056. The cubic root of 3401440440 is about 1503.9069173851.

Adding to 3401440440 its reverse (440441043), we get a palindrome (3841881483).

The spelling of 3401440440 in words is "three billion, four hundred one million, four hundred forty thousand, four hundred forty".