40540126 has 16 divisors (see below), whose sum is σ = 68479488. Its totient is φ = 17832600.

The previous prime is 40540117. The next prime is 40540127. The reversal of 40540126 is 62104504.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40540097 and 40540106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40540127) 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, 29040 + ... + 30403.

It is an arithmetic number, because the mean of its divisors is an integer number (4279968).

Almost surely, 2^40540126 is an apocalyptic number.

40540126 is a deficient number, since it is larger than the sum of its proper divisors (27939362).

40540126 is a wasteful number, since it uses less digits than its factorization.

40540126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59487.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40540126 is about 6367.1128464949. The cubic root of 40540126 is about 343.5276496611.

The spelling of 40540126 in words is "forty million, five hundred forty thousand, one hundred twenty-six".