40573511278 has 48 divisors (see below), whose sum is σ = 68274407520. Its totient is φ = 18018289152.

The previous prime is 40573511213. The next prime is 40573511281. The reversal of 40573511278 is 87211537504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3221778 + ... + 3234346.

It is an arithmetic number, because the mean of its divisors is an integer number (1422383490).

Almost surely, 2^40573511278 is an apocalyptic number.

40573511278 is a deficient number, since it is larger than the sum of its proper divisors (27700896242).

40573511278 is a wasteful number, since it uses less digits than its factorization.

40573511278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12889 (or 12870 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 40573511278 in words is "forty billion, five hundred seventy-three million, five hundred eleven thousand, two hundred seventy-eight".