39409481070 has 256 divisors, whose sum is σ = 110854840320. Its totient is φ = 9952284672.

The previous prime is 39409481051. The next prime is 39409481099. The reversal of 39409481070 is 7018490493.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 64924707 + ... + 64925313.

It is an arithmetic number, because the mean of its divisors is an integer number (433026720).

Almost surely, 2^39409481070 is an apocalyptic number.

39409481070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39409481070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55427420160).

39409481070 is an abundant number, since it is smaller than the sum of its proper divisors (71445359250).

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

39409481070 is a wasteful number, since it uses less digits than its factorization.

39409481070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 39409481070 in words is "thirty-nine billion, four hundred nine million, four hundred eighty-one thousand, seventy".