397002026443 has 48 divisors (see below), whose sum is σ = 489589470720. Its totient is φ = 319667040000.

The previous prime is 397002026419. The next prime is 397002026459. The reversal of 397002026443 is 344620200793.

It is not a de Polignac number, because 397002026443 - 2¹⁷ = 397001895371 is a prime.

It is a super-2 number, since 2×397002026443² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397002026396 and 397002026405.

It is not an unprimeable number, because it can be changed into a prime (397002026413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5867898 + ... + 5935168.

It is an arithmetic number, because the mean of its divisors is an integer number (10199780640).

Almost surely, 2^397002026443 is an apocalyptic number.

397002026443 is a deficient number, since it is larger than the sum of its proper divisors (92587444277).

397002026443 is a wasteful number, since it uses less digits than its factorization.

397002026443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67480 (or 67469 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 397002026443 in words is "three hundred ninety-seven billion, two million, twenty-six thousand, four hundred forty-three".