40090814 has 8 divisors (see below), whose sum is σ = 60261168. Its totient is φ = 20003760.

The previous prime is 40090807. The next prime is 40090819. The reversal of 40090814 is 41809004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40090819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19607 + ... + 21554.

It is an arithmetic number, because the mean of its divisors is an integer number (7532646).

Almost surely, 2^40090814 is an apocalyptic number.

40090814 is a deficient number, since it is larger than the sum of its proper divisors (20170354).

40090814 is a wasteful number, since it uses less digits than its factorization.

40090814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41650.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 40090814 is about 6331.7307270603. The cubic root of 40090814 is about 342.2538099736.

Adding to 40090814 its reverse (41809004), we get a palindrome (81899818).

It can be divided in two parts, 40090 and 814, that added together give a palindrome (40904).

The spelling of 40090814 in words is "forty million, ninety thousand, eight hundred fourteen".