40064646454 has 24 divisors (see below), whose sum is σ = 69954116400. Its totient is φ = 17159412816.

The previous prime is 40064646403. The next prime is 40064646469. The reversal of 40064646454 is 45464646004.

40064646454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40064646454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19839 + ... + 283765.

It is an arithmetic number, because the mean of its divisors is an integer number (2914754850).

Almost surely, 2^40064646454 is an apocalyptic number.

40064646454 is a deficient number, since it is larger than the sum of its proper divisors (29889469946).

40064646454 is a wasteful number, since it uses less digits than its factorization.

40064646454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265492 (or 265485 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 40064646454 in words is "forty billion, sixty-four million, six hundred forty-six thousand, four hundred fifty-four".