1040122440342 has 20 divisors (see below), whose sum is σ = 2330644727796. Its totient is φ = 346707480060.

The previous prime is 1040122440223. The next prime is 1040122440349. The reversal of 1040122440342 is 2430442210401.

1040122440342 is a `hidden beast` number, since 1 + 0 + 401 + 224 + 4 + 0 + 34 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040122440349) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3210254284 + ... + 3210254607.

Almost surely, 2^{1040122440342} is an apocalyptic number.

1040122440342 is an abundant number, since it is smaller than the sum of its proper divisors (1290522287454).

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

1040122440342 is an equidigital number, since it uses as much as digits as its factorization.

1040122440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420508905 (or 6420508896 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1040122440342 its reverse (2430442210401), we get a palindrome (3470564650743).

The spelling of 1040122440342 in words is "one trillion, forty billion, one hundred twenty-two million, four hundred forty thousand, three hundred forty-two".