70943338440 has 384 divisors, whose sum is σ = 255359744640. Its totient is φ = 16970784768.

The previous prime is 70943338429. The next prime is 70943338447. The reversal of 70943338440 is 4483334907.

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

It is not an unprimeable number, because it can be changed into a prime (70943338447) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45680704 + ... + 45682256.

It is an arithmetic number, because the mean of its divisors is an integer number (664999335).

Almost surely, 2^70943338440 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 70943338440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127679872320).

70943338440 is an abundant number, since it is smaller than the sum of its proper divisors (184416406200).

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

70943338440 is a wasteful number, since it uses less digits than its factorization.

70943338440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 70943338440 in words is "seventy billion, nine hundred forty-three million, three hundred thirty-eight thousand, four hundred forty".