40400102430 has 32 divisors (see below), whose sum is σ = 107733607200. Its totient is φ = 10773360576.

The previous prime is 40400102429. The next prime is 40400102437. The reversal of 40400102430 is 3420100404.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400102437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74814735 + ... + 74815274.

It is an arithmetic number, because the mean of its divisors is an integer number (3366675225).

Almost surely, 2^40400102430 is an apocalyptic number.

40400102430 is an abundant number, since it is smaller than the sum of its proper divisors (67333504770).

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

40400102430 is a wasteful number, since it uses less digits than its factorization.

40400102430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149630025 (or 149630019 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40400102430 its reverse (3420100404), we get a palindrome (43820202834).

The spelling of 40400102430 in words is "forty billion, four hundred million, one hundred two thousand, four hundred thirty".