1640125353430 has 64 divisors (see below), whose sum is σ = 3073168771200. Its totient is φ = 629469711360.

The previous prime is 1640125353403. The next prime is 1640125353457. The reversal of 1640125353430 is 343535210461.

It is an interprime number because it is at equal distance from previous prime (1640125353403) and next prime (1640125353457).

It is a super-2 number, since 2×1640125353430² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1640125353430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30368791 + ... + 30422749.

It is an arithmetic number, because the mean of its divisors is an integer number (48018262050).

Almost surely, 2^{1640125353430} is an apocalyptic number.

1640125353430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1640125353430 is a deficient number, since it is larger than the sum of its proper divisors (1433043417770).

1640125353430 is a wasteful number, since it uses less digits than its factorization.

1640125353430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54649.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 1640125353430 in words is "one trillion, six hundred forty billion, one hundred twenty-five million, three hundred fifty-three thousand, four hundred thirty".