2452402121340 has 48 divisors (see below), whose sum is σ = 7228132571520. Its totient is φ = 619554219840.

The previous prime is 2452402121327. The next prime is 2452402121363. The reversal of 2452402121340 is 431212042542.

It is a happy number.

It is a super-4 number, since 4×2452402121340⁴ (a number of 51 digits) contains 4444 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 = 2452402121298 and 2452402121307.

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, 1075613826 + ... + 1075616105.

It is an arithmetic number, because the mean of its divisors is an integer number (150586095240).

Almost surely, 2^{2452402121340} is an apocalyptic number.

2452402121340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2452402121340 is an abundant number, since it is smaller than the sum of its proper divisors (4775730450180).

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

2452402121340 is a wasteful number, since it uses less digits than its factorization.

2452402121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151229962 (or 2151229960 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2452402121340 its reverse (431212042542), we get a palindrome (2883614163882).

The spelling of 2452402121340 in words is "two trillion, four hundred fifty-two billion, four hundred two million, one hundred twenty-one thousand, three hundred forty".