40121114342654 has 16 divisors (see below), whose sum is σ = 60198169731840. Its totient is φ = 20055058204800.

The previous prime is 40121114342611. The next prime is 40121114342657. The reversal of 40121114342654 is 45624341112104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121114342657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209358179 + ... + 209549729.

It is an arithmetic number, because the mean of its divisors is an integer number (3762385608240).

Almost surely, 2^{40121114342654} is an apocalyptic number.

40121114342654 is a deficient number, since it is larger than the sum of its proper divisors (20077055389186).

40121114342654 is a wasteful number, since it uses less digits than its factorization.

40121114342654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219715.

The product of its (nonzero) digits is 92160, while the sum is 38.

Adding to 40121114342654 its reverse (45624341112104), we get a palindrome (85745455454758).

The spelling of 40121114342654 in words is "forty trillion, one hundred twenty-one billion, one hundred fourteen million, three hundred forty-two thousand, six hundred fifty-four".