40040629293 has 32 divisors (see below), whose sum is σ = 63004229632. Its totient is φ = 22134643200.

The previous prime is 40040629273. The next prime is 40040629303. The reversal of 40040629293 is 39292604004.

It is not a de Polignac number, because 40040629293 - 2⁹ = 40040628781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040629273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2245533 + ... + 2263293.

It is an arithmetic number, because the mean of its divisors is an integer number (1968882176).

Almost surely, 2^40040629293 is an apocalyptic number.

It is an amenable number.

40040629293 is a deficient number, since it is larger than the sum of its proper divisors (22963600339).

40040629293 is a wasteful number, since it uses less digits than its factorization.

40040629293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21265.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 40040629293 in words is "forty billion, forty million, six hundred twenty-nine thousand, two hundred ninety-three".