2421388280352 has 192 divisors, whose sum is σ = 6644340541440. Its totient is φ = 771334327296.

The previous prime is 2421388280347. The next prime is 2421388280357. The reversal of 2421388280352 is 2530828831242.

It is an interprime number because it is at equal distance from previous prime (2421388280347) and next prime (2421388280357).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2421388280357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278092383 + ... + 278101089.

It is an arithmetic number, because the mean of its divisors is an integer number (34605940320).

Almost surely, 2^{2421388280352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421388280352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3322170270720).

2421388280352 is an abundant number, since it is smaller than the sum of its proper divisors (4222952261088).

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

2421388280352 is a wasteful number, since it uses less digits than its factorization.

2421388280352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143 (or 10135 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 2421388280352 in words is "two trillion, four hundred twenty-one billion, three hundred eighty-eight million, two hundred eighty thousand, three hundred fifty-two".