3120423401040 has 80 divisors (see below), whose sum is σ = 10552704601536. Its totient is φ = 756466278400.

The previous prime is 3120423401023. The next prime is 3120423401041. The reversal of 3120423401040 is 401043240213.

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

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 3120423401040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120423401041) 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, 590986641 + ... + 590991920.

Almost surely, 2^{3120423401040} is an apocalyptic number.

3120423401040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3120423401040 is an abundant number, since it is smaller than the sum of its proper divisors (7432281200496).

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

3120423401040 is a wasteful number, since it uses less digits than its factorization.

3120423401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181978588 (or 1181978582 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 3120423401040 its reverse (401043240213), we get a palindrome (3521466641253).

The spelling of 3120423401040 in words is "three trillion, one hundred twenty billion, four hundred twenty-three million, four hundred one thousand, forty".