40375969 has 8 divisors (see below), whose sum is σ = 45001440. Its totient is φ = 36000576.

The previous prime is 40375957. The next prime is 40375987. The reversal of 40375969 is 96957304.

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

It is a cyclic number.

It is not a de Polignac number, because 40375969 - 2¹⁹ = 39851681 is a prime.

It is a super-2 number, since 2×40375969² = 3260437745377922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40375999) 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, 62179 + ... + 62824.

It is an arithmetic number, because the mean of its divisors is an integer number (5625180).

Almost surely, 2^40375969 is an apocalyptic number.

It is an amenable number.

40375969 is a deficient number, since it is larger than the sum of its proper divisors (4625471).

40375969 is a wasteful number, since it uses less digits than its factorization.

40375969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125039.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 40375969 is about 6354.2087627021. The cubic root of 40375969 is about 343.0633462549.

The spelling of 40375969 in words is "forty million, three hundred seventy-five thousand, nine hundred sixty-nine".