40326045406 has 16 divisors (see below), whose sum is σ = 66831912864. Its totient is φ = 18151876864.

The previous prime is 40326045401. The next prime is 40326045437. The reversal of 40326045406 is 60454062304.

It is a super-3 number, since 3×40326045406³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40326045401) 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, 25783135 + ... + 25784698.

It is an arithmetic number, because the mean of its divisors is an integer number (4176994554).

Almost surely, 2^40326045406 is an apocalyptic number.

40326045406 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40326045406 is a deficient number, since it is larger than the sum of its proper divisors (26505867458).

40326045406 is a wasteful number, since it uses less digits than its factorization.

40326045406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51567875.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 40326045406 in words is "forty billion, three hundred twenty-six million, forty-five thousand, four hundred six".