7421528128046 has 16 divisors (see below), whose sum is σ = 11789682585984. Its totient is φ = 3496449979704.

The previous prime is 7421528128033. The next prime is 7421528128061. The reversal of 7421528128046 is 6408218251247.

It is a junction number, because it is equal to n+sod(n) for n = 7421528127985 and 7421528128003.

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, 1204008620 + ... + 1204014783.

It is an arithmetic number, because the mean of its divisors is an integer number (736855161624).

Almost surely, 2^{7421528128046} is an apocalyptic number.

7421528128046 is a deficient number, since it is larger than the sum of its proper divisors (4368154457938).

7421528128046 is a wasteful number, since it uses less digits than its factorization.

7421528128046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408023495.

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 7421528128046 in words is "seven trillion, four hundred twenty-one billion, five hundred twenty-eight million, one hundred twenty-eight thousand, forty-six".