401340510042 has 16 divisors (see below), whose sum is σ = 802720598592. Its totient is φ = 133773573600.

The previous prime is 401340510013. The next prime is 401340510071. The reversal of 401340510042 is 240015043104.

It is an interprime number because it is at equal distance from previous prime (401340510013) and next prime (401340510071).

It is a super-2 number, since 2×401340510042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401340509994 and 401340510021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516459 + ... + 1761342.

It is an arithmetic number, because the mean of its divisors is an integer number (50170037412).

Almost surely, 2^401340510042 is an apocalyptic number.

401340510042 is an abundant number, since it is smaller than the sum of its proper divisors (401380088550).

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

401340510042 is a wasteful number, since it uses less digits than its factorization.

401340510042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298213.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 401340510042 its reverse (240015043104), we get a palindrome (641355553146).

The spelling of 401340510042 in words is "four hundred one billion, three hundred forty million, five hundred ten thousand, forty-two".