40370413 has 4 divisors (see below), whose sum is σ = 40612320. Its totient is φ = 40128508.

The previous prime is 40370411. The next prime is 40370431. The reversal of 40370413 is 31407304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40370413 - 2¹ = 40370411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120703 + ... + 121036.

It is an arithmetic number, because the mean of its divisors is an integer number (10153080).

Almost surely, 2^40370413 is an apocalyptic number.

It is an amenable number.

40370413 is a deficient number, since it is larger than the sum of its proper divisors (241907).

40370413 is a wasteful number, since it uses less digits than its factorization.

40370413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241906.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 40370413 is about 6353.7715571147. The cubic root of 40370413 is about 343.0476096056.

Adding to 40370413 its reverse (31407304), we get a palindrome (71777717).

The spelling of 40370413 in words is "forty million, three hundred seventy thousand, four hundred thirteen".