1421500464 has 60 divisors (see below), whose sum is σ = 4151203056. Its totient is φ = 453230976.

The previous prime is 1421500433. The next prime is 1421500469. The reversal of 1421500464 is 4640051241.

It is not an unprimeable number, because it can be changed into a prime (1421500469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211287 + ... + 217910.

Almost surely, 2^1421500464 is an apocalyptic number.

It is an amenable number.

1421500464 is an abundant number, since it is smaller than the sum of its proper divisors (2729702592).

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

1421500464 is a wasteful number, since it uses less digits than its factorization.

1421500464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429234 (or 429225 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1421500464 is about 37702.7911964088. The cubic root of 1421500464 is about 1124.3866191102.

The spelling of 1421500464 in words is "one billion, four hundred twenty-one million, five hundred thousand, four hundred sixty-four".