40365013420 has 48 divisors (see below), whose sum is σ = 85576085280. Its totient is φ = 15992349696.

The previous prime is 40365013399. The next prime is 40365013441. The reversal of 40365013420 is 2431056304.

It is an interprime number because it is at equal distance from previous prime (40365013399) and next prime (40365013441).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186974 + ... + 1220506.

It is an arithmetic number, because the mean of its divisors is an integer number (1782835110).

Almost surely, 2^40365013420 is an apocalyptic number.

It is an amenable number.

40365013420 is an abundant number, since it is smaller than the sum of its proper divisors (45211071860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40365013420 is a wasteful number, since it uses less digits than its factorization.

40365013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34114 (or 34112 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 40365013420 its reverse (2431056304), we get a palindrome (42796069724).

The spelling of 40365013420 in words is "forty billion, three hundred sixty-five million, thirteen thousand, four hundred twenty".