70135632240 has 80 divisors (see below), whose sum is σ = 217496043648. Its totient is φ = 18696333568.

The previous prime is 70135632223. The next prime is 70135632247. The reversal of 70135632240 is 4223653107.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70135632247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661807 + ... + 760433.

Almost surely, 2^70135632240 is an apocalyptic number.

It is an amenable number.

70135632240 is an abundant number, since it is smaller than the sum of its proper divisors (147360411408).

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

70135632240 is a wasteful number, since it uses less digits than its factorization.

70135632240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101606 (or 101600 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 70135632240 in words is "seventy billion, one hundred thirty-five million, six hundred thirty-two thousand, two hundred forty".