39952393470 has 288 divisors, whose sum is σ = 117163126080. Its totient is φ = 9435571200.

The previous prime is 39952393451. The next prime is 39952393477. The reversal of 39952393470 is 7439325993.

39952393470 is a `hidden beast` number, since 3 + 99 + 52 + 39 + 3 + 470 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39952393477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 91007511 + ... + 91007949.

It is an arithmetic number, because the mean of its divisors is an integer number (406816410).

Almost surely, 2^39952393470 is an apocalyptic number.

39952393470 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 39952393470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58581563040).

39952393470 is an abundant number, since it is smaller than the sum of its proper divisors (77210732610).

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

39952393470 is a wasteful number, since it uses less digits than its factorization.

39952393470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 54.

The spelling of 39952393470 in words is "thirty-nine billion, nine hundred fifty-two million, three hundred ninety-three thousand, four hundred seventy".