40507401 has 8 divisors (see below), whose sum is σ = 58919904. Its totient is φ = 24549920.

The previous prime is 40507399. The next prime is 40507409. The reversal of 40507401 is 10470504.

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 40507401 - 2¹ = 40507399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40507409) 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, 613716 + ... + 613781.

It is an arithmetic number, because the mean of its divisors is an integer number (7364988).

Almost surely, 2^40507401 is an apocalyptic number.

It is an amenable number.

40507401 is a deficient number, since it is larger than the sum of its proper divisors (18412503).

40507401 is a wasteful number, since it uses less digits than its factorization.

40507401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227511.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40507401 is about 6364.5424815928. The cubic root of 40507401 is about 343.4351900848.

Adding to 40507401 its reverse (10470504), we get a palindrome (50977905).

The spelling of 40507401 in words is "forty million, five hundred seven thousand, four hundred one".