40297031445 has 32 divisors (see below), whose sum is σ = 71019546624. Its totient is φ = 19348257600.

The previous prime is 40297031431. The next prime is 40297031459. The reversal of 40297031445 is 54413079204.

It is an interprime number because it is at equal distance from previous prime (40297031431) and next prime (40297031459).

It is not a de Polignac number, because 40297031445 - 2⁵ = 40297031413 is a prime.

It is a super-3 number, since 3×40297031445³ (a number of 33 digits) contains 333 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 1168561 + ... + 1202550.

It is an arithmetic number, because the mean of its divisors is an integer number (2219360832).

Almost surely, 2^40297031445 is an apocalyptic number.

It is an amenable number.

40297031445 is a deficient number, since it is larger than the sum of its proper divisors (30722515179).

40297031445 is a wasteful number, since it uses less digits than its factorization.

40297031445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371233.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 40297031445 in words is "forty billion, two hundred ninety-seven million, thirty-one thousand, four hundred forty-five".