40990000682 has 4 divisors (see below), whose sum is σ = 61485001026. Its totient is φ = 20495000340.

The previous prime is 40990000673. The next prime is 40990000703. The reversal of 40990000682 is 28600009904.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21083330401 + 19906670281 = 145201^2 + 141091^2 .

It is a pancake number, because a pancake can be divided into 40990000682 parts by 286321 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10247500169 + ... + 10247500172.

Almost surely, 2^40990000682 is an apocalyptic number.

40990000682 is a deficient number, since it is larger than the sum of its proper divisors (20495000344).

40990000682 is a wasteful number, since it uses less digits than its factorization.

40990000682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20495000343.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 40990000682 in words is "forty billion, nine hundred ninety million, six hundred eighty-two", and thus it is an aban number.