1226640152430 has 96 divisors (see below), whose sum is σ = 3976225763328. Its totient is φ = 254886264000.

The previous prime is 1226640152429. The next prime is 1226640152431. The reversal of 1226640152430 is 342510466221.

1226640152430 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 6 + 401 + 5 + 243 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1226640152429) and next prime (1226640152431).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226640152431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88495246 + ... + 88509105.

It is an arithmetic number, because the mean of its divisors is an integer number (41419018368).

Almost surely, 2^{1226640152430} is an apocalyptic number.

1226640152430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226640152430 is an abundant number, since it is smaller than the sum of its proper divisors (2749585610898).

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

1226640152430 is a wasteful number, since it uses less digits than its factorization.

1226640152430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177004382 (or 177004379 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 1226640152430 in words is "one trillion, two hundred twenty-six billion, six hundred forty million, one hundred fifty-two thousand, four hundred thirty".