2400312621020 has 24 divisors (see below), whose sum is σ = 5337165711024. Its totient is φ = 903647104256.

The previous prime is 2400312621019. The next prime is 2400312621131. The reversal of 2400312621020 is 201262130042.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3529871162 + ... + 3529871841.

It is an arithmetic number, because the mean of its divisors is an integer number (222381904626).

Almost surely, 2^{2400312621020} is an apocalyptic number.

2400312621020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400312621020 is an abundant number, since it is smaller than the sum of its proper divisors (2936853090004).

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

2400312621020 is a wasteful number, since it uses less digits than its factorization.

2400312621020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059743029 (or 7059743027 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2400312621020 its reverse (201262130042), we get a palindrome (2601574751062).

The spelling of 2400312621020 in words is "two trillion, four hundred billion, three hundred twelve million, six hundred twenty-one thousand, twenty".