61363157040 has 120 divisors (see below), whose sum is σ = 213710519568. Its totient is φ = 16363503360.

The previous prime is 61363157021. The next prime is 61363157059. The reversal of 61363157040 is 4075136316.

61363157040 is a `hidden beast` number, since 6 + 13 + 6 + 31 + 570 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (61363157021) and next prime (61363157059).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 61363156986 and 61363157004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1558831 + ... + 1597710.

Almost surely, 2^61363157040 is an apocalyptic number.

61363157040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61363157040 is an abundant number, since it is smaller than the sum of its proper divisors (152347362528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61363157040 is a wasteful number, since it uses less digits than its factorization.

61363157040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156569 (or 3156551 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 61363157040 in words is "sixty-one billion, three hundred sixty-three million, one hundred fifty-seven thousand, forty".