40454423155146 has 192 divisors, whose sum is σ = 110595907578240. Its totient is φ = 9697329008640.

The previous prime is 40454423155079. The next prime is 40454423155177. The reversal of 40454423155146 is 64155132445404.

It is a super-2 number, since 2×40454423155146² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40454423155095 and 40454423155104.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205444930 + ... + 205641746.

It is an arithmetic number, because the mean of its divisors is an integer number (576020351970).

Almost surely, 2^{40454423155146} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40454423155146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55297953789120).

40454423155146 is an abundant number, since it is smaller than the sum of its proper divisors (70141484423094).

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

40454423155146 is a wasteful number, since it uses less digits than its factorization.

40454423155146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201749 (or 201742 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 40454423155146 in words is "forty trillion, four hundred fifty-four billion, four hundred twenty-three million, one hundred fifty-five thousand, one hundred forty-six".