40207698272450 has 24 divisors (see below), whose sum is σ = 74786571740340. Its totient is φ = 16083024910400.

The previous prime is 40207698272447. The next prime is 40207698272513. The reversal of 40207698272450 is 5427289670204.

It can be written as a sum of positive squares in 6 ways, for example, as 7063969942969 + 33143728329481 = 2657813^2 + 5757059^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15685856 + ... + 18068244.

Almost surely, 2^{40207698272450} is an apocalyptic number.

40207698272450 is a deficient number, since it is larger than the sum of its proper divisors (34578873467890).

40207698272450 is a wasteful number, since it uses less digits than its factorization.

40207698272450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719942 (or 2719937 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 40207698272450 in words is "forty trillion, two hundred seven billion, six hundred ninety-eight million, two hundred seventy-two thousand, four hundred fifty".