7421266431612 has 288 divisors, whose sum is σ = 21308282311680. Its totient is φ = 2158254720000.

The previous prime is 7421266431611. The next prime is 7421266431641. The reversal of 7421266431612 is 2161346621247.

7421266431612 is a `hidden beast` number, since 7 + 4 + 2 + 1 + 26 + 6 + 4 + 3 + 1 + 612 = 666.

It is a super-2 number, since 2×7421266431612² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421266431611) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 252503814 + ... + 252533202.

It is an arithmetic number, because the mean of its divisors is an integer number (73987091360).

Almost surely, 2^{7421266431612} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7421266431612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10654141155840).

7421266431612 is an abundant number, since it is smaller than the sum of its proper divisors (13887015880068).

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

7421266431612 is a wasteful number, since it uses less digits than its factorization.

7421266431612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29705 (or 29700 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The spelling of 7421266431612 in words is "seven trillion, four hundred twenty-one billion, two hundred sixty-six million, four hundred thirty-one thousand, six hundred twelve".