64214507340 has 36 divisors (see below), whose sum is σ = 194784006144. Its totient is φ = 17123868576.

The previous prime is 64214507339. The next prime is 64214507417. The reversal of 64214507340 is 4370541246.

64214507340 is a `hidden beast` number, since 642 + 1 + 4 + 5 + 0 + 7 + 3 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 64214507295 and 64214507304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178373452 + ... + 178373811.

Almost surely, 2^64214507340 is an apocalyptic number.

64214507340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64214507340 is an abundant number, since it is smaller than the sum of its proper divisors (130569498804).

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

64214507340 is a wasteful number, since it uses less digits than its factorization.

64214507340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356747278 (or 356747273 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 64214507340 in words is "sixty-four billion, two hundred fourteen million, five hundred seven thousand, three hundred forty".