1534442454540 has 96 divisors (see below), whose sum is σ = 4774323744960. Its totient is φ = 409141559808.

The previous prime is 1534442454481. The next prime is 1534442454551. The reversal of 1534442454540 is 454542444351.

1534442454540 is a `hidden beast` number, since 1 + 5 + 3 + 4 + 44 + 24 + 545 + 40 = 666.

It is a super-2 number, since 2×1534442454540² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 5156454 + ... + 5445906.

It is an arithmetic number, because the mean of its divisors is an integer number (49732539010).

Almost surely, 2^{1534442454540} is an apocalyptic number.

1534442454540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534442454540 is an abundant number, since it is smaller than the sum of its proper divisors (3239881290420).

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

1534442454540 is a wasteful number, since it uses less digits than its factorization.

1534442454540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299288 (or 299280 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 45.

Adding to 1534442454540 its reverse (454542444351), we get a palindrome (1988984898891).

The spelling of 1534442454540 in words is "one trillion, five hundred thirty-four billion, four hundred forty-two million, four hundred fifty-four thousand, five hundred forty".