40267641 has 16 divisors (see below), whose sum is σ = 56191104. Its totient is φ = 25601664.

The previous prime is 40267639. The next prime is 40267649. The reversal of 40267641 is 14676204.

It is not a de Polignac number, because 40267641 - 2¹ = 40267639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40267599 and 40267608.

It is not an unprimeable number, because it can be changed into a prime (40267649) 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, 30895 + ... + 32171.

It is an arithmetic number, because the mean of its divisors is an integer number (3511944).

Almost surely, 2^40267641 is an apocalyptic number.

It is an amenable number.

40267641 is a deficient number, since it is larger than the sum of its proper divisors (15923463).

40267641 is a wasteful number, since it uses less digits than its factorization.

40267641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40267641 is about 6345.6789234880. The cubic root of 40267641 is about 342.7562605227.

The spelling of 40267641 in words is "forty million, two hundred sixty-seven thousand, six hundred forty-one".