40458772126 has 4 divisors (see below), whose sum is σ = 60688158192. Its totient is φ = 20229386062.

The previous prime is 40458772093. The next prime is 40458772129. The reversal of 40458772126 is 62127785404.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40458772129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10114693030 + ... + 10114693033.

It is an arithmetic number, because the mean of its divisors is an integer number (15172039548).

Almost surely, 2^40458772126 is an apocalyptic number.

40458772126 is a deficient number, since it is larger than the sum of its proper divisors (20229386066).

40458772126 is a wasteful number, since it uses less digits than its factorization.

40458772126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20229386065.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 40458772126 in words is "forty billion, four hundred fifty-eight million, seven hundred seventy-two thousand, one hundred twenty-six".