40769641 has 8 divisors (see below), whose sum is σ = 44669664. Its totient is φ = 36901920.

The previous prime is 40769629. The next prime is 40769647. The reversal of 40769641 is 14696704.

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

It is not a de Polignac number, because 40769641 - 2¹³ = 40761449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40769641.

It is not an unprimeable number, because it can be changed into a prime (40769647) 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, 5391 + ... + 10516.

It is an arithmetic number, because the mean of its divisors is an integer number (5583708).

Almost surely, 2^40769641 is an apocalyptic number.

It is an amenable number.

40769641 is a deficient number, since it is larger than the sum of its proper divisors (3900023).

40769641 is a wasteful number, since it uses less digits than its factorization.

40769641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 40769641 is about 6385.1108839236. The cubic root of 40769641 is about 344.1747157592.

The spelling of 40769641 in words is "forty million, seven hundred sixty-nine thousand, six hundred forty-one".