420769464 has 16 divisors (see below), whose sum is σ = 1051923720. Its totient is φ = 140256480.

The previous prime is 420769463. The next prime is 420769477. The reversal of 420769464 is 464967024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420769463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8766007 + ... + 8766054.

Almost surely, 2^420769464 is an apocalyptic number.

It is an amenable number.

420769464 is an abundant number, since it is smaller than the sum of its proper divisors (631154256).

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

420769464 is a wasteful number, since it uses less digits than its factorization.

420769464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532070 (or 17532066 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 420769464 is about 20512.6659408279. The cubic root of 420769464 is about 749.3442944563.

The spelling of 420769464 in words is "four hundred twenty million, seven hundred sixty-nine thousand, four hundred sixty-four".