40870641 has 16 divisors (see below), whose sum is σ = 62405504. Its totient is φ = 23307264.

The previous prime is 40870639. The next prime is 40870649. The reversal of 40870641 is 14607804.

It is not a de Polignac number, because 40870641 - 2¹ = 40870639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40870599 and 40870608.

It is not an unprimeable number, because it can be changed into a prime (40870649) 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, 10431 + ... + 13803.

It is an arithmetic number, because the mean of its divisors is an integer number (3900344).

Almost surely, 2^40870641 is an apocalyptic number.

It is an amenable number.

40870641 is a deficient number, since it is larger than the sum of its proper divisors (21534863).

40870641 is a wasteful number, since it uses less digits than its factorization.

40870641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40870641 is about 6393.0150164066. The cubic root of 40870641 is about 344.4586932441.

The spelling of 40870641 in words is "forty million, eight hundred seventy thousand, six hundred forty-one".