1040421534198 has 16 divisors (see below), whose sum is σ = 2080904214576. Its totient is φ = 346796987040.

The previous prime is 1040421534149. The next prime is 1040421534203. The reversal of 1040421534198 is 8914351240401.

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, 2325061 + ... + 2736192.

It is an arithmetic number, because the mean of its divisors is an integer number (130056513411).

Almost surely, 2^{1040421534198} is an apocalyptic number.

1040421534198 is an abundant number, since it is smaller than the sum of its proper divisors (1040482680378).

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

1040421534198 is a wasteful number, since it uses less digits than its factorization.

1040421534198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095519.

The product of its (nonzero) digits is 138240, while the sum is 42.

Adding to 1040421534198 its reverse (8914351240401), we get a palindrome (9954772774599).

The spelling of 1040421534198 in words is "one trillion, forty billion, four hundred twenty-one million, five hundred thirty-four thousand, one hundred ninety-eight".