400548203621142 has 16 divisors (see below), whose sum is σ = 801356250421440. Its totient is φ = 133472760677192.

The previous prime is 400548203621101. The next prime is 400548203621221. The reversal of 400548203621142 is 241126302845004.

It is a junction number, because it is equal to n+sod(n) for n = 400548203621094 and 400548203621103.

It is a congruent number.

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, 10826779092 + ... + 10826816087.

It is an arithmetic number, because the mean of its divisors is an integer number (50084765651340).

Almost surely, 2^{400548203621142} is an apocalyptic number.

400548203621142 is an abundant number, since it is smaller than the sum of its proper divisors (400808046800298).

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

400548203621142 is a wasteful number, since it uses less digits than its factorization.

400548203621142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21653598267.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 400548203621142 in words is "four hundred trillion, five hundred forty-eight billion, two hundred three million, six hundred twenty-one thousand, one hundred forty-two".