40401320422 has 8 divisors (see below), whose sum is σ = 61455529872. Its totient is φ = 19916143800.

The previous prime is 40401320411. The next prime is 40401320429. The reversal of 40401320422 is 22402310404.

It is a happy number.

40401320422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×40401320422² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40401320393 and 40401320402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401320429) 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, 142258029 + ... + 142258312.

It is an arithmetic number, because the mean of its divisors is an integer number (7681941234).

Almost surely, 2^40401320422 is an apocalyptic number.

40401320422 is a deficient number, since it is larger than the sum of its proper divisors (21054209450).

40401320422 is a wasteful number, since it uses less digits than its factorization.

40401320422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284516414.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40401320422 its reverse (22402310404), we get a palindrome (62803630826).

The spelling of 40401320422 in words is "forty billion, four hundred one million, three hundred twenty thousand, four hundred twenty-two".