64235480 has 16 divisors (see below), whose sum is σ = 144529920. Its totient is φ = 25694176.

The previous prime is 64235471. The next prime is 64235489. The reversal of 64235480 is 8453246.

It is an interprime number because it is at equal distance from previous prime (64235471) and next prime (64235489).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64235489) 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, 802904 + ... + 802983.

It is an arithmetic number, because the mean of its divisors is an integer number (9033120).

Almost surely, 2^64235480 is an apocalyptic number.

It is an amenable number.

64235480 is an abundant number, since it is smaller than the sum of its proper divisors (80294440).

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

64235480 is a wasteful number, since it uses less digits than its factorization.

64235480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605898 (or 1605894 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 64235480 is about 8014.7039870478. The cubic root of 64235480 is about 400.4899828802.

The spelling of 64235480 in words is "sixty-four million, two hundred thirty-five thousand, four hundred eighty".