4000378035 has 32 divisors (see below), whose sum is σ = 6780533760. Its totient is φ = 2007019008.

The previous prime is 4000378033. The next prime is 4000378037. The reversal of 4000378035 is 5308730004.

It is an interprime number because it is at equal distance from previous prime (4000378033) and next prime (4000378037).

It is not a de Polignac number, because 4000378035 - 2¹ = 4000378033 is a prime.

It is a super-2 number, since 2×4000378035² = 32006048845820922450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4000377993 and 4000378011.

It is not an unprimeable number, because it can be changed into a prime (4000378033) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 997344 + ... + 1001346.

It is an arithmetic number, because the mean of its divisors is an integer number (211891680).

Almost surely, 2^4000378035 is an apocalyptic number.

4000378035 is a deficient number, since it is larger than the sum of its proper divisors (2780155725).

4000378035 is a wasteful number, since it uses less digits than its factorization.

4000378035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 4000378035 is about 63248.5417618462. The cubic root of 4000378035 is about 1587.4510581559.

The spelling of 4000378035 in words is "four billion, three hundred seventy-eight thousand, thirty-five".