462440988 has 60 divisors (see below), whose sum is σ = 1216745992. Its totient is φ = 153148320.

The previous prime is 462440983. The next prime is 462441011. The reversal of 462440988 is 889044264.

It is a super-2 number, since 2×462440988² = 427703334764832288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (462440983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46323 + ... + 55413.

Almost surely, 2^462440988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 462440988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608372996).

462440988 is an abundant number, since it is smaller than the sum of its proper divisors (754305004).

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

462440988 is a wasteful number, since it uses less digits than its factorization.

462440988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264 (or 9253 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 462440988 is about 21504.4411227077. The cubic root of 462440988 is about 773.3072944232.

The spelling of 462440988 in words is "four hundred sixty-two million, four hundred forty thousand, nine hundred eighty-eight".