421152464 has 20 divisors (see below), whose sum is σ = 816301920. Its totient is φ = 210493920.

The previous prime is 421152437. The next prime is 421152481. The reversal of 421152464 is 464251124.

It is a super-3 number, since 3×421152464³ (a number of 27 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 3 ways as a sum of consecutive naturals, for example, 73379 + ... + 78909.

It is an arithmetic number, because the mean of its divisors is an integer number (40815096).

Almost surely, 2^421152464 is an apocalyptic number.

It is an amenable number.

421152464 is a deficient number, since it is larger than the sum of its proper divisors (395149456).

421152464 is a wasteful number, since it uses less digits than its factorization.

421152464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10298 (or 10292 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 421152464 is about 20521.9995127181. Note that the first 3 decimals coincide. The cubic root of 421152464 is about 749.5715858469.

The spelling of 421152464 in words is "four hundred twenty-one million, one hundred fifty-two thousand, four hundred sixty-four".