40240121403230 has 16 divisors (see below), whose sum is σ = 82779678315360. Its totient is φ = 13796613052512.

The previous prime is 40240121403197. The next prime is 40240121403259. The reversal of 40240121403230 is 3230412104204.

It is a self number, because there is not a number n which added to its sum of digits gives 40240121403230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287429438525 + ... + 287429438664.

It is an arithmetic number, because the mean of its divisors is an integer number (5173729894710).

Almost surely, 2^{40240121403230} is an apocalyptic number.

40240121403230 is an abundant number, since it is smaller than the sum of its proper divisors (42539556912130).

40240121403230 is a wasteful number, since it uses less digits than its factorization.

40240121403230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574858877203.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40240121403230 its reverse (3230412104204), we get a palindrome (43470533507434).

The spelling of 40240121403230 in words is "forty trillion, two hundred forty billion, one hundred twenty-one million, four hundred three thousand, two hundred thirty".