690040631848 has 32 divisors (see below), whose sum is σ = 1362057228000. Its totient is φ = 326828969280.

The previous prime is 690040631843. The next prime is 690040631849. The reversal of 690040631848 is 848136040096.

It is not an unprimeable number, because it can be changed into a prime (690040631843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350598 + ... + 1790026.

It is an arithmetic number, because the mean of its divisors is an integer number (42564288375).

Almost surely, 2^690040631848 is an apocalyptic number.

It is an amenable number.

690040631848 is a deficient number, since it is larger than the sum of its proper divisors (672016596152).

690040631848 is a wasteful number, since it uses less digits than its factorization.

690040631848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449785 (or 449781 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 690040631848 in words is "six hundred ninety billion, forty million, six hundred thirty-one thousand, eight hundred forty-eight".