40143634430 has 32 divisors (see below), whose sum is σ = 75557836800. Its totient is φ = 15327196192.

The previous prime is 40143634411. The next prime is 40143634439. The reversal of 40143634430 is 3443634104.

It is a super-2 number, since 2×40143634430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40143634439) 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, 72020 + ... + 292359.

It is an arithmetic number, because the mean of its divisors is an integer number (2361182400).

Almost surely, 2^40143634430 is an apocalyptic number.

40143634430 is a deficient number, since it is larger than the sum of its proper divisors (35414202370).

40143634430 is a wasteful number, since it uses less digits than its factorization.

40143634430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364888.

The product of its (nonzero) digits is 41472, while the sum is 32.

The spelling of 40143634430 in words is "forty billion, one hundred forty-three million, six hundred thirty-four thousand, four hundred thirty".