35494726640 has 80 divisors (see below), whose sum is σ = 84679892640. Its totient is φ = 13828362240.

The previous prime is 35494726607. The next prime is 35494726643. The reversal of 35494726640 is 4662749453.

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 (35494726643) 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, 2014991 + ... + 2032529.

It is an arithmetic number, because the mean of its divisors is an integer number (1058498658).

Almost surely, 2^35494726640 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 35494726640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42339946320).

35494726640 is an abundant number, since it is smaller than the sum of its proper divisors (49185166000).

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

35494726640 is a wasteful number, since it uses less digits than its factorization.

35494726640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18210 (or 18204 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 35494726640 in words is "thirty-five billion, four hundred ninety-four million, seven hundred twenty-six thousand, six hundred forty".