40140501 has 16 divisors (see below), whose sum is σ = 54633408. Its totient is φ = 26208000.

The previous prime is 40140493. The next prime is 40140511. The reversal of 40140501 is 10504104.

It is not a de Polignac number, because 40140501 - 2³ = 40140493 is a prime.

It is a super-2 number, since 2×40140501² = 3222519641062002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73110 + ... + 73656.

It is an arithmetic number, because the mean of its divisors is an integer number (3414588).

Almost surely, 2^40140501 is an apocalyptic number.

It is an amenable number.

40140501 is a deficient number, since it is larger than the sum of its proper divisors (14492907).

40140501 is a wasteful number, since it uses less digits than its factorization.

40140501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40140501 is about 6335.6531628554. The cubic root of 40140501 is about 342.3951436345.

Adding to 40140501 its reverse (10504104), we get a palindrome (50644605).

The spelling of 40140501 in words is "forty million, one hundred forty thousand, five hundred one".