34386378552 has 80 divisors (see below), whose sum is σ = 96846149400. Its totient is φ = 11398760640.

The previous prime is 34386378547. The next prime is 34386378557. The reversal of 34386378552 is 25587368343.

It is a happy number.

34386378552 is a `hidden beast` number, since 3 + 4 + 3 + 86 + 3 + 7 + 8 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (34386378547) and next prime (34386378557).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34386378557) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29302 + ... + 263877.

Almost surely, 2^34386378552 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 34386378552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48423074700).

34386378552 is an abundant number, since it is smaller than the sum of its proper divisors (62459770848).

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

34386378552 is a wasteful number, since it uses less digits than its factorization.

34386378552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293378 (or 293365 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 54.

The spelling of 34386378552 in words is "thirty-four billion, three hundred eighty-six million, three hundred seventy-eight thousand, five hundred fifty-two".