40155341226 has 128 divisors (see below), whose sum is σ = 108785811456. Its totient is φ = 9542292480.

The previous prime is 40155341137. The next prime is 40155341243. The reversal of 40155341226 is 62214355104.

40155341226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40155341226² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 649095 + ... + 708261.

It is an arithmetic number, because the mean of its divisors is an integer number (849889152).

Almost surely, 2^40155341226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40155341226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54392905728).

40155341226 is an abundant number, since it is smaller than the sum of its proper divisors (68630470230).

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

40155341226 is a wasteful number, since it uses less digits than its factorization.

40155341226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59316.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 40155341226 in words is "forty billion, one hundred fifty-five million, three hundred forty-one thousand, two hundred twenty-six".