40200002403986 has 4 divisors (see below), whose sum is σ = 60300003605982. Its totient is φ = 20100001201992.

The previous prime is 40200002403959. The next prime is 40200002404061. The reversal of 40200002403986 is 68930420000204.

It is a happy number.

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., 39121509768961 + 1078492635025 = 6254719^2 + 1038505^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050000600995 + ... + 10050000600998.

Almost surely, 2^{40200002403986} is an apocalyptic number.

40200002403986 is a deficient number, since it is larger than the sum of its proper divisors (20100001201996).

40200002403986 is a wasteful number, since it uses less digits than its factorization.

40200002403986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20100001201995.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 40200002403986 in words is "forty trillion, two hundred billion, two million, four hundred three thousand, nine hundred eighty-six".