40266640020662 has 16 divisors (see below), whose sum is σ = 67671699692112. Its totient is φ = 17808342023520.

The previous prime is 40266640020647. The next prime is 40266640020683. The reversal of 40266640020662 is 26602004666204.

It is a congruent number.

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, 24733807553 + ... + 24733809180.

It is an arithmetic number, because the mean of its divisors is an integer number (4229481230757).

Almost surely, 2^{40266640020662} is an apocalyptic number.

40266640020662 is a deficient number, since it is larger than the sum of its proper divisors (27405059671450).

40266640020662 is a wasteful number, since it uses less digits than its factorization.

40266640020662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49467616783.

The product of its (nonzero) digits is 995328, while the sum is 44.

Adding to 40266640020662 its reverse (26602004666204), we get a palindrome (66868644686866).

The spelling of 40266640020662 in words is "forty trillion, two hundred sixty-six billion, six hundred forty million, twenty thousand, six hundred sixty-two".