40626454434 has 32 divisors (see below), whose sum is σ = 84106070016. Its totient is φ = 13072389120.

The previous prime is 40626454391. The next prime is 40626454439. The reversal of 40626454434 is 43445462604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40626454439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692287 + ... + 748674.

It is an arithmetic number, because the mean of its divisors is an integer number (2628314688).

Almost surely, 2^40626454434 is an apocalyptic number.

40626454434 is an abundant number, since it is smaller than the sum of its proper divisors (43479615582).

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

40626454434 is a wasteful number, since it uses less digits than its factorization.

40626454434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441130.

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 40626454434 in words is "forty billion, six hundred twenty-six million, four hundred fifty-four thousand, four hundred thirty-four".