694307228540 has 24 divisors (see below), whose sum is σ = 1465599826320. Its totient is φ = 276283911168.

The previous prime is 694307228383. The next prime is 694307228581. The reversal of 694307228540 is 45822703496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89932310 + ... + 89940029.

It is an arithmetic number, because the mean of its divisors is an integer number (61066659430).

Almost surely, 2^694307228540 is an apocalyptic number.

It is an amenable number.

694307228540 is an abundant number, since it is smaller than the sum of its proper divisors (771292597780).

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

694307228540 is a wasteful number, since it uses less digits than its factorization.

694307228540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179872541 (or 179872539 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 694307228540 in words is "six hundred ninety-four billion, three hundred seven million, two hundred twenty-eight thousand, five hundred forty".