402211100420040 has 128 divisors (see below), whose sum is σ = 1208981205394560. Its totient is φ = 107047792502784.

The previous prime is 402211100420029. The next prime is 402211100420081. The reversal of 402211100420040 is 40024001112204.

It is a junction number, because it is equal to n+sod(n) for n = 402211100419989 and 402211100420016.

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, 126165787 + ... + 129314453.

It is an arithmetic number, because the mean of its divisors is an integer number (9445165667145).

Almost surely, 2^{402211100420040} is an apocalyptic number.

402211100420040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402211100420040 is an abundant number, since it is smaller than the sum of its proper divisors (806770104974520).

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

402211100420040 is a wasteful number, since it uses less digits than its factorization.

402211100420040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150751 (or 3150747 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 402211100420040 its reverse (40024001112204), we get a palindrome (442235101532244).

The spelling of 402211100420040 in words is "four hundred two trillion, two hundred eleven billion, one hundred million, four hundred twenty thousand, forty".