40154949426155 has 8 divisors (see below), whose sum is σ = 48186412663200. Its totient is φ = 32123643973056.

The previous prime is 40154949426139. The next prime is 40154949426209. The reversal of 40154949426155 is 55162494945104.

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

It is a cyclic number.

It is not a de Polignac number, because 40154949426155 - 2⁴ = 40154949426139 is a prime.

It is a super-2 number, since 2×40154949426155² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40154949426094 and 40154949426103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38885375 + ... + 39904664.

It is an arithmetic number, because the mean of its divisors is an integer number (6023301582900).

Almost surely, 2^{40154949426155} is an apocalyptic number.

40154949426155 is a deficient number, since it is larger than the sum of its proper divisors (8031463237045).

40154949426155 is a wasteful number, since it uses less digits than its factorization.

40154949426155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78891973.

The product of its (nonzero) digits is 31104000, while the sum is 59.

The spelling of 40154949426155 in words is "forty trillion, one hundred fifty-four billion, nine hundred forty-nine million, four hundred twenty-six thousand, one hundred fifty-five".