39429826380 has 288 divisors, whose sum is σ = 149215772160. Its totient is φ = 8538048000.

The previous prime is 39429826379. The next prime is 39429826411. The reversal of 39429826380 is 8362892493.

It is a happy number.

39429826380 is a `hidden beast` number, since 3 + 9 + 429 + 82 + 63 + 80 = 666.

39429826380 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 2×39429826380² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 615880 + ... + 676880.

It is an arithmetic number, because the mean of its divisors is an integer number (518110320).

Almost surely, 2^39429826380 is an apocalyptic number.

39429826380 is a gapful number since it is divisible by the number (30) 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 39429826380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74607886080).

39429826380 is an abundant number, since it is smaller than the sum of its proper divisors (109785945780).

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

39429826380 is a wasteful number, since it uses less digits than its factorization.

39429826380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61051 (or 61037 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 39429826380 in words is "thirty-nine billion, four hundred twenty-nine million, eight hundred twenty-six thousand, three hundred eighty".