126162045400 has 48 divisors (see below), whose sum is σ = 302788923840.
Its totient is φ = 48836918400.
The previous prime is 126162045391. The next prime is 126162045437. The reversal of 126162045400 is 4540261621.
It is a happy number.
It is a super-2 number, since 2×1261620454002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10168159 + ... + 10180558.
It is an arithmetic number, because the mean of its divisors is an integer number (6308102580).
Almost surely, 2126162045400 is an apocalyptic number.
126162045400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
126162045400 is an abundant number, since it is smaller than the sum of its proper divisors (176626878440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126162045400 is a wasteful number, since it uses less digits than its factorization.
126162045400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20348764 (or 20348755 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 31.
The spelling of 126162045400 in words is "one hundred twenty-six billion, one hundred sixty-two million, forty-five thousand, four hundred".