40463399901 has 16 divisors (see below), whose sum is σ = 54246956544. Its totient is φ = 26827977264.

The previous prime is 40463399897. The next prime is 40463399987. The reversal of 40463399901 is 10999336404.

It is not a de Polignac number, because 40463399901 - 2² = 40463399897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40463399701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613536 + ... + 676278.

It is an arithmetic number, because the mean of its divisors is an integer number (3390434784).

Almost surely, 2^40463399901 is an apocalyptic number.

It is an amenable number.

40463399901 is a deficient number, since it is larger than the sum of its proper divisors (13783556643).

40463399901 is a wasteful number, since it uses less digits than its factorization.

40463399901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63920.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 40463399901 in words is "forty billion, four hundred sixty-three million, three hundred ninety-nine thousand, nine hundred one".