464069140 has 24 divisors (see below), whose sum is σ = 985498920. Its totient is φ = 183541248.

The previous prime is 464069093. The next prime is 464069143. The reversal of 464069140 is 41960464.

It can be written as a sum of positive squares in 4 ways, for example, as 4309776 + 459759364 = 2076^2 + 21442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 464069096 and 464069105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464069143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128577 + ... + 132136.

It is an arithmetic number, because the mean of its divisors is an integer number (41062455).

Almost surely, 2^464069140 is an apocalyptic number.

It is an amenable number.

464069140 is an abundant number, since it is smaller than the sum of its proper divisors (521429780).

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

464069140 is a wasteful number, since it uses less digits than its factorization.

464069140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260811 (or 260809 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 464069140 is about 21542.2640407177. The cubic root of 464069140 is about 774.2137791484.

The spelling of 464069140 in words is "four hundred sixty-four million, sixty-nine thousand, one hundred forty".