1400012834658 has 16 divisors (see below), whose sum is σ = 2921765916096. Its totient is φ = 446380903760.

The previous prime is 1400012834653. The next prime is 1400012834707. The reversal of 1400012834658 is 8564382100041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1400012834653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5072510133 + ... + 5072510408.

It is an arithmetic number, because the mean of its divisors is an integer number (182610369756).

Almost surely, 2^{1400012834658} is an apocalyptic number.

1400012834658 is an abundant number, since it is smaller than the sum of its proper divisors (1521753081438).

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

1400012834658 is a wasteful number, since it uses less digits than its factorization.

1400012834658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10145020569.

The product of its (nonzero) digits is 184320, while the sum is 42.

Adding to 1400012834658 its reverse (8564382100041), we get a palindrome (9964394934699).

The spelling of 1400012834658 in words is "one trillion, four hundred billion, twelve million, eight hundred thirty-four thousand, six hundred fifty-eight".