34312021040 has 80 divisors (see below), whose sum is σ = 89379948960. Its totient is φ = 12139868160.

The previous prime is 34312021033. The next prime is 34312021109. The reversal of 34312021040 is 4012021343.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494345 + ... + 559464.

It is an arithmetic number, because the mean of its divisors is an integer number (1117249362).

Almost surely, 2^34312021040 is an apocalyptic number.

It is an amenable number.

34312021040 is an abundant number, since it is smaller than the sum of its proper divisors (55067927920).

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

34312021040 is a wasteful number, since it uses less digits than its factorization.

34312021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053870 (or 1053864 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 34312021040 its reverse (4012021343), we get a palindrome (38324042383).

The spelling of 34312021040 in words is "thirty-four billion, three hundred twelve million, twenty-one thousand, forty".