40521201 has 8 divisors (see below), whose sum is σ = 61746624. Its totient is φ = 23154960.

The previous prime is 40521163. The next prime is 40521211. The reversal of 40521201 is 10212504.

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

It is not a de Polignac number, because 40521201 - 2²¹ = 38424049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40521211) 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, 964770 + ... + 964811.

It is an arithmetic number, because the mean of its divisors is an integer number (7718328).

Almost surely, 2^40521201 is an apocalyptic number.

It is an amenable number.

40521201 is a deficient number, since it is larger than the sum of its proper divisors (21225423).

40521201 is a wasteful number, since it uses less digits than its factorization.

40521201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929591.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40521201 is about 6365.6265206184. The cubic root of 40521201 is about 343.4741859835.

Adding to 40521201 its reverse (10212504), we get a palindrome (50733705).

It can be divided in two parts, 4052 and 1201, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 40521201 in words is "forty million, five hundred twenty-one thousand, two hundred one".