438270289380 has 288 divisors, whose sum is σ = 1730315018880. Its totient is φ = 91069090560.

The previous prime is 438270289361. The next prime is 438270289427. The reversal of 438270289380 is 83982072834.

438270289380 is a `hidden beast` number, since 43 + 82 + 70 + 2 + 89 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 461827 + ... + 1043946.

It is an arithmetic number, because the mean of its divisors is an integer number (6008038260).

Almost surely, 2^438270289380 is an apocalyptic number.

It is an amenable number.

438270289380 is an abundant number, since it is smaller than the sum of its proper divisors (1292044729500).

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

438270289380 is a wasteful number, since it uses less digits than its factorization.

438270289380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505816 (or 1505801 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 438270289380 in words is "four hundred thirty-eight billion, two hundred seventy million, two hundred eighty-nine thousand, three hundred eighty".