40154265554 has 8 divisors (see below), whose sum is σ = 64864582860. Its totient is φ = 18532737936.

The previous prime is 40154265527. The next prime is 40154265583. The reversal of 40154265554 is 45556245104.

It can be written as a sum of positive squares in 2 ways, for example, as 39118906225 + 1035359329 = 197785^2 + 32177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40154265554² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 772197389 + ... + 772197440.

Almost surely, 2^40154265554 is an apocalyptic number.

40154265554 is a deficient number, since it is larger than the sum of its proper divisors (24710317306).

40154265554 is a wasteful number, since it uses less digits than its factorization.

40154265554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544394844.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 40154265554 in words is "forty billion, one hundred fifty-four million, two hundred sixty-five thousand, five hundred fifty-four".