1542476646240 has 48 divisors (see below), whose sum is σ = 4858801437168. Its totient is φ = 411327105536.

The previous prime is 1542476646229. The next prime is 1542476646241. The reversal of 1542476646240 is 426466742451.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1542476646240² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542476646241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606746027 + ... + 1606746986.

It is an arithmetic number, because the mean of its divisors is an integer number (101225029941).

Almost surely, 2^{1542476646240} is an apocalyptic number.

1542476646240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1542476646240 is an abundant number, since it is smaller than the sum of its proper divisors (3316324790928).

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

1542476646240 is a wasteful number, since it uses less digits than its factorization.

1542476646240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213493031 (or 3213493023 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 51.

The spelling of 1542476646240 in words is "one trillion, five hundred forty-two billion, four hundred seventy-six million, six hundred forty-six thousand, two hundred forty".