40013426460 has 96 divisors (see below), whose sum is σ = 130656153600. Its totient is φ = 9145921344.

The previous prime is 40013426459. The next prime is 40013426461. The reversal of 40013426460 is 6462431004.

It is an interprime number because it is at equal distance from previous prime (40013426459) and next prime (40013426461).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013426461) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 951564 + ... + 992723.

It is an arithmetic number, because the mean of its divisors is an integer number (1361001600).

Almost surely, 2^40013426460 is an apocalyptic number.

It is an amenable number.

40013426460 is an abundant number, since it is smaller than the sum of its proper divisors (90642727140).

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

40013426460 is a wasteful number, since it uses less digits than its factorization.

40013426460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944320 (or 1944304 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 40013426460 its reverse (6462431004), we get a palindrome (46475857464).

The spelling of 40013426460 in words is "forty billion, thirteen million, four hundred twenty-six thousand, four hundred sixty".