64151400 has 96 divisors (see below), whose sum is σ = 205344000. Its totient is φ = 16550400.

The previous prime is 64151371. The next prime is 64151401. The reversal of 64151400 is 415146.

It is not an unprimeable number, because it can be changed into a prime (64151401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16876 + ... + 20324.

It is an arithmetic number, because the mean of its divisors is an integer number (2139000).

Almost surely, 2^64151400 is an apocalyptic number.

64151400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64151400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102672000).

64151400 is an abundant number, since it is smaller than the sum of its proper divisors (141192600).

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

64151400 is a wasteful number, since it uses less digits than its factorization.

64151400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3490 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 64151400 is about 8009.4569104278. The cubic root of 64151400 is about 400.3151682738.

Adding to 64151400 its reverse (415146), we get a palindrome (64566546).

The spelling of 64151400 in words is "sixty-four million, one hundred fifty-one thousand, four hundred".