40121024554 has 64 divisors (see below), whose sum is σ = 67676918400. Its totient is φ = 17721918720.

The previous prime is 40121024527. The next prime is 40121024599. The reversal of 40121024554 is 45542012104.

It is a super-2 number, since 2×40121024554² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8817472 + ... + 8822020.

It is an arithmetic number, because the mean of its divisors is an integer number (1057451850).

Almost surely, 2^40121024554 is an apocalyptic number.

40121024554 is a deficient number, since it is larger than the sum of its proper divisors (27555893846).

40121024554 is a wasteful number, since it uses less digits than its factorization.

40121024554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 40121024554 its reverse (45542012104), we get a palindrome (85663036658).

The spelling of 40121024554 in words is "forty billion, one hundred twenty-one million, twenty-four thousand, five hundred fifty-four".