403055121022540 has 48 divisors (see below), whose sum is σ = 987913828564992. Its totient is φ = 135250107477696.

The previous prime is 403055121022529. The next prime is 403055121022571. The reversal of 403055121022540 is 45220121550304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 403055121022496 and 403055121022505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30627282252 + ... + 30627295411.

It is an arithmetic number, because the mean of its divisors is an integer number (20581538095104).

Almost surely, 2^{403055121022540} is an apocalyptic number.

It is an amenable number.

403055121022540 is an abundant number, since it is smaller than the sum of its proper divisors (584858707542452).

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

403055121022540 is a wasteful number, since it uses less digits than its factorization.

403055121022540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61254577726 (or 61254577724 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 403055121022540 its reverse (45220121550304), we get a palindrome (448275242572844).

The spelling of 403055121022540 in words is "four hundred three trillion, fifty-five billion, one hundred twenty-one million, twenty-two thousand, five hundred forty".