64454081430 has 32 divisors (see below), whose sum is σ = 154706817024. Its totient is φ = 17185863776.

The previous prime is 64454081423. The next prime is 64454081431. The reversal of 64454081430 is 3418045446.

64454081430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64454081430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64454081431) 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, 170539 + ... + 397481.

It is an arithmetic number, because the mean of its divisors is an integer number (4834588032).

Almost surely, 2^64454081430 is an apocalyptic number.

64454081430 is an abundant number, since it is smaller than the sum of its proper divisors (90252735594).

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

64454081430 is a wasteful number, since it uses less digits than its factorization.

64454081430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236420.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 64454081430 in words is "sixty-four billion, four hundred fifty-four million, eighty-one thousand, four hundred thirty".