40400703 has 24 divisors (see below), whose sum is σ = 68324256. Its totient is φ = 22521600.

The previous prime is 40400603. The next prime is 40400713. The reversal of 40400703 is 30700404.

It is not a de Polignac number, because 40400703 - 2¹⁰ = 40399679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5238 + ... + 10403.

It is an arithmetic number, because the mean of its divisors is an integer number (2846844).

Almost surely, 2^40400703 is an apocalyptic number.

40400703 is a deficient number, since it is larger than the sum of its proper divisors (27923553).

40400703 is a wasteful number, since it uses less digits than its factorization.

40400703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15695 (or 15692 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 40400703 is about 6356.1547337994. The cubic root of 40400703 is about 343.1333845881.

The spelling of 40400703 in words is "forty million, four hundred thousand, seven hundred three".