400144102523342 has 16 divisors (see below), whose sum is σ = 635811467181552. Its totient is φ = 188217631271040.

The previous prime is 400144102523303. The next prime is 400144102523381. The reversal of 400144102523342 is 243325201441004.

It is an interprime number because it is at equal distance from previous prime (400144102523303) and next prime (400144102523381).

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, 2671042709 + ... + 2671192512.

It is an arithmetic number, because the mean of its divisors is an integer number (39738216698847).

Almost surely, 2^{400144102523342} is an apocalyptic number.

400144102523342 is a deficient number, since it is larger than the sum of its proper divisors (235667364658210).

400144102523342 is a wasteful number, since it uses less digits than its factorization.

400144102523342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342237443.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 400144102523342 its reverse (243325201441004), we get a palindrome (643469303964346).

The spelling of 400144102523342 in words is "four hundred trillion, one hundred forty-four billion, one hundred two million, five hundred twenty-three thousand, three hundred forty-two".