421001400334 has 16 divisors (see below), whose sum is σ = 638143581600. Its totient is φ = 208287765504.

The previous prime is 421001400289. The next prime is 421001400359. The reversal of 421001400334 is 433004100124.

It is a super-3 number, since 3×421001400334³ (a number of 36 digits) contains 333 as substring.

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, 733702 + ... + 1174870.

It is an arithmetic number, because the mean of its divisors is an integer number (39883973850).

Almost surely, 2^421001400334 is an apocalyptic number.

421001400334 is a deficient number, since it is larger than the sum of its proper divisors (217142181266).

421001400334 is a wasteful number, since it uses less digits than its factorization.

421001400334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446187.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 421001400334 its reverse (433004100124), we get a palindrome (854005500458).

The spelling of 421001400334 in words is "four hundred twenty-one billion, one million, four hundred thousand, three hundred thirty-four".