40265371 has 4 divisors (see below), whose sum is σ = 40287352. Its totient is φ = 40243392.

The previous prime is 40265353. The next prime is 40265383. The reversal of 40265371 is 17356204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40265371 - 2¹⁷ = 40134299 is a prime.

It is the 6346-th Hogben number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (40265471) by changing a digit.

It is a nontrivial repunit in base 6345.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7965 + ... + 11998.

It is an arithmetic number, because the mean of its divisors is an integer number (10071838).

Almost surely, 2^40265371 is an apocalyptic number.

40265371 is a deficient number, since it is larger than the sum of its proper divisors (21981).

40265371 is a wasteful number, since it uses less digits than its factorization.

40265371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21980.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 40265371 is about 6345.5000590970. The cubic root of 40265371 is about 342.7498196907.

The spelling of 40265371 in words is "forty million, two hundred sixty-five thousand, three hundred seventy-one".