1454401561540 has 48 divisors (see below), whose sum is σ = 3091341839040. Its totient is φ = 574695596160.

The previous prime is 1454401561511. The next prime is 1454401561553. The reversal of 1454401561540 is 451651044541.

It is a junction number, because it is equal to n+sod(n) for n = 1454401561493 and 1454401561502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19835266 + ... + 19908454.

It is an arithmetic number, because the mean of its divisors is an integer number (64402954980).

Almost surely, 2^{1454401561540} is an apocalyptic number.

1454401561540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1454401561540 is an abundant number, since it is smaller than the sum of its proper divisors (1636940277500).

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

1454401561540 is a wasteful number, since it uses less digits than its factorization.

1454401561540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85252 (or 85250 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 1454401561540 in words is "one trillion, four hundred fifty-four billion, four hundred one million, five hundred sixty-one thousand, five hundred forty".