542406653450 has 24 divisors (see below), whose sum is σ = 1011036753792. Its totient is φ = 216498063920.

The previous prime is 542406653423. The next prime is 542406653479. The reversal of 542406653450 is 54356604245.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11591354 + ... + 11638053.

It is an arithmetic number, because the mean of its divisors is an integer number (42126531408).

Almost surely, 2^542406653450 is an apocalyptic number.

542406653450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542406653450 is a deficient number, since it is larger than the sum of its proper divisors (468630100342).

542406653450 is a wasteful number, since it uses less digits than its factorization.

542406653450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23229886 (or 23229881 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 542406653450 in words is "five hundred forty-two billion, four hundred six million, six hundred fifty-three thousand, four hundred fifty".