64262260 has 48 divisors (see below), whose sum is σ = 141114960. Its totient is φ = 24550400.

The previous prime is 64262251. The next prime is 64262267. The reversal of 64262260 is 6226246.

It can be written as a sum of positive squares in 8 ways, for example, as 964324 + 63297936 = 982^2 + 7956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64262267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58032 + ... + 59128.

It is an arithmetic number, because the mean of its divisors is an integer number (2939895).

Almost surely, 2^64262260 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 64262260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70557480).

64262260 is an abundant number, since it is smaller than the sum of its proper divisors (76852700).

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

64262260 is a wasteful number, since it uses less digits than its factorization.

64262260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 64262260 is about 8016.3744922502. The cubic root of 64262260 is about 400.5456303803.

The spelling of 64262260 in words is "sixty-four million, two hundred sixty-two thousand, two hundred sixty".