7127212929440 has 48 divisors (see below), whose sum is σ = 16850983421160. Its totient is φ = 2848693785600.

The previous prime is 7127212929433. The next prime is 7127212929479. The reversal of 7127212929440 is 449292127217.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2736126207376 + 4391086722064 = 1654124^2 + 2095492^2 .

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, 16911395 + ... + 17327714.

Almost surely, 2^{7127212929440} is an apocalyptic number.

It is an amenable number.

7127212929440 is an abundant number, since it is smaller than the sum of its proper divisors (9723770491720).

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

7127212929440 is a wasteful number, since it uses less digits than its factorization.

7127212929440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34240425 (or 34240417 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 7127212929440 in words is "seven trillion, one hundred twenty-seven billion, two hundred twelve million, nine hundred twenty-nine thousand, four hundred forty".