40434189740 has 48 divisors (see below), whose sum is σ = 97196058624. Its totient is φ = 13841150400.

The previous prime is 40434189739. The next prime is 40434189797. The reversal of 40434189740 is 4798143404.

It is a junction number, because it is equal to n+sod(n) for n = 40434189691 and 40434189700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140516 + ... + 317195.

It is an arithmetic number, because the mean of its divisors is an integer number (2024917888).

Almost surely, 2^40434189740 is an apocalyptic number.

It is an amenable number.

40434189740 is an abundant number, since it is smaller than the sum of its proper divisors (56761868884).

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

40434189740 is a wasteful number, since it uses less digits than its factorization.

40434189740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458358 (or 458356 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 40434189740 in words is "forty billion, four hundred thirty-four million, one hundred eighty-nine thousand, seven hundred forty".