40788262351 has 4 divisors (see below), whose sum is σ = 40788683104. Its totient is φ = 40787841600.

The previous prime is 40788262309. The next prime is 40788262373. The reversal of 40788262351 is 15326288704.

40788262351 = T₁₆₄₈₉₉ + T₁₆₄₉₀₀ + T₁₆₄₉₀₁.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a 6-Lehmer number, since φ(40788262351) divides (40788262351-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 40788262351 - 2²⁷ = 40654044623 is a prime.

It is a super-2 number, since 2×40788262351² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40788262381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16831 + ... + 286111.

It is an arithmetic number, because the mean of its divisors is an integer number (10197170776).

Almost surely, 2^40788262351 is an apocalyptic number.

40788262351 is the 164901-st centered triangular number.

40788262351 is a deficient number, since it is larger than the sum of its proper divisors (420753).

40788262351 is a wasteful number, since it uses less digits than its factorization.

40788262351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420752.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 40788262351 in words is "forty billion, seven hundred eighty-eight million, two hundred sixty-two thousand, three hundred fifty-one".