40028774723 has 8 divisors (see below), whose sum is σ = 48154917120. Its totient is φ = 32504568840.

The previous prime is 40028774713. The next prime is 40028774809. The reversal of 40028774723 is 32747782004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40028774723 - 2¹⁶ = 40028709187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40028774713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150483983 + ... + 150484248.

It is an arithmetic number, because the mean of its divisors is an integer number (6019364640).

Almost surely, 2^40028774723 is an apocalyptic number.

40028774723 is a deficient number, since it is larger than the sum of its proper divisors (8126142397).

40028774723 is a wasteful number, since it uses less digits than its factorization.

40028774723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300968257.

The product of its (nonzero) digits is 526848, while the sum is 44.

The spelling of 40028774723 in words is "forty billion, twenty-eight million, seven hundred seventy-four thousand, seven hundred twenty-three".