40269644 has 6 divisors (see below), whose sum is σ = 70471884. Its totient is φ = 20134820.

The previous prime is 40269631. The next prime is 40269659. The reversal of 40269644 is 44696204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033702 + ... + 5033709.

It is an arithmetic number, because the mean of its divisors is an integer number (11745314).

Almost surely, 2^40269644 is an apocalyptic number.

It is an amenable number.

40269644 is a deficient number, since it is larger than the sum of its proper divisors (30202240).

40269644 is a wasteful number, since it uses less digits than its factorization.

40269644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067415 (or 10067413 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 40269644 is about 6345.8367454576. The cubic root of 40269644 is about 342.7619435756.

The spelling of 40269644 in words is "forty million, two hundred sixty-nine thousand, six hundred forty-four".